diff --git a/cmd/api/go.mod b/cmd/api/go.mod
index 9b1478b..8a41ab9 100644
--- a/cmd/api/go.mod
+++ b/cmd/api/go.mod
@@ -33,6 +33,7 @@ require (
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	lukechampine.com/uint128 v1.3.0 // indirect
diff --git a/cmd/api/go.sum b/cmd/api/go.sum
index da1ddef..db24697 100644
--- a/cmd/api/go.sum
+++ b/cmd/api/go.sum
@@ -38,6 +38,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
diff --git a/cmd/archivetoarchive/go.mod b/cmd/archivetoarchive/go.mod
index b059758..d0fc516 100644
--- a/cmd/archivetoarchive/go.mod
+++ b/cmd/archivetoarchive/go.mod
@@ -25,6 +25,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
diff --git a/cmd/archivetoarchive/go.sum b/cmd/archivetoarchive/go.sum
index 05165df..d3e4b63 100644
--- a/cmd/archivetoarchive/go.sum
+++ b/cmd/archivetoarchive/go.sum
@@ -34,6 +34,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
diff --git a/cmd/archivetoindex/go.mod b/cmd/archivetoindex/go.mod
index 0900dfb..8545dfb 100644
--- a/cmd/archivetoindex/go.mod
+++ b/cmd/archivetoindex/go.mod
@@ -32,6 +32,7 @@ require (
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
diff --git a/cmd/archivetoindex/go.sum b/cmd/archivetoindex/go.sum
index 2d11359..1782adc 100644
--- a/cmd/archivetoindex/go.sum
+++ b/cmd/archivetoindex/go.sum
@@ -36,6 +36,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
diff --git a/cmd/cachetoarchive/go.mod b/cmd/cachetoarchive/go.mod
index 713fb08..a6897bd 100644
--- a/cmd/cachetoarchive/go.mod
+++ b/cmd/cachetoarchive/go.mod
@@ -25,6 +25,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
diff --git a/cmd/cachetoarchive/go.sum b/cmd/cachetoarchive/go.sum
index 05165df..d3e4b63 100644
--- a/cmd/cachetoarchive/go.sum
+++ b/cmd/cachetoarchive/go.sum
@@ -34,6 +34,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
diff --git a/cmd/daemon/go.mod b/cmd/daemon/go.mod
index 6f365c8..32b5be7 100644
--- a/cmd/daemon/go.mod
+++ b/cmd/daemon/go.mod
@@ -31,6 +31,7 @@ require (
 	github.com/jxskiss/base62 v1.1.0 // indirect
 	github.com/klauspost/compress v1.16.7 // indirect
 	github.com/lib/pq v1.10.9 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
diff --git a/cmd/daemon/go.sum b/cmd/daemon/go.sum
index 5da4b8a..4194d07 100644
--- a/cmd/daemon/go.sum
+++ b/cmd/daemon/go.sum
@@ -79,6 +79,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
diff --git a/cmd/httputils/go.mod b/cmd/httputils/go.mod
index 229132b..8f5e266 100644
--- a/cmd/httputils/go.mod
+++ b/cmd/httputils/go.mod
@@ -11,5 +11,6 @@ require (
 	github.com/floatdrop/lru v1.3.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/sys v0.10.0 // indirect
 )
diff --git a/cmd/httputils/go.sum b/cmd/httputils/go.sum
index 948d4b8..1e7fc63 100644
--- a/cmd/httputils/go.sum
+++ b/cmd/httputils/go.sum
@@ -6,5 +6,7 @@ github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/jxskiss/base62 v1.1.0 h1:A5zbF8v8WXx2xixnAKD2w+abC+sIzYJX+nxmhA6HWFw=
 github.com/jxskiss/base62 v1.1.0/go.mod h1:HhWAlUXvxKThfOlZbcuFzsqwtF5TcqS9ru3y5GfjWAc=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/cmd/index/go.mod b/cmd/index/go.mod
index 045529e..b7cd189 100644
--- a/cmd/index/go.mod
+++ b/cmd/index/go.mod
@@ -23,6 +23,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	lukechampine.com/uint128 v1.3.0 // indirect
diff --git a/cmd/index/go.sum b/cmd/index/go.sum
index 1f8410b..c24e630 100644
--- a/cmd/index/go.sum
+++ b/cmd/index/go.sum
@@ -36,6 +36,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
diff --git a/cmd/legacytoarchive/go.mod b/cmd/legacytoarchive/go.mod
index 503703b..d54189d 100644
--- a/cmd/legacytoarchive/go.mod
+++ b/cmd/legacytoarchive/go.mod
@@ -25,6 +25,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
diff --git a/cmd/legacytoarchive/go.sum b/cmd/legacytoarchive/go.sum
index 05165df..d3e4b63 100644
--- a/cmd/legacytoarchive/go.sum
+++ b/cmd/legacytoarchive/go.sum
@@ -34,6 +34,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
diff --git a/cmd/p2pool/go.mod b/cmd/p2pool/go.mod
index 6ea0a47..5c32e41 100644
--- a/cmd/p2pool/go.mod
+++ b/cmd/p2pool/go.mod
@@ -31,6 +31,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sync v0.3.0 // indirect
diff --git a/cmd/p2pool/go.sum b/cmd/p2pool/go.sum
index f2d66c7..ca200c6 100644
--- a/cmd/p2pool/go.sum
+++ b/cmd/p2pool/go.sum
@@ -40,6 +40,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
diff --git a/cmd/readcache/go.mod b/cmd/readcache/go.mod
index 69f9c78..4f46437 100644
--- a/cmd/readcache/go.mod
+++ b/cmd/readcache/go.mod
@@ -25,6 +25,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	lukechampine.com/uint128 v1.3.0 // indirect
diff --git a/cmd/readcache/go.sum b/cmd/readcache/go.sum
index 4b36dfb..b9403ce 100644
--- a/cmd/readcache/go.sum
+++ b/cmd/readcache/go.sum
@@ -34,6 +34,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
diff --git a/cmd/recoverpoolblock/go.mod b/cmd/recoverpoolblock/go.mod
index d67b9d9..057e1ec 100644
--- a/cmd/recoverpoolblock/go.mod
+++ b/cmd/recoverpoolblock/go.mod
@@ -25,6 +25,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
diff --git a/cmd/recoverpoolblock/go.sum b/cmd/recoverpoolblock/go.sum
index 05165df..d3e4b63 100644
--- a/cmd/recoverpoolblock/go.sum
+++ b/cmd/recoverpoolblock/go.sum
@@ -34,6 +34,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
diff --git a/cmd/scansweeps/go.mod b/cmd/scansweeps/go.mod
index ca9bc28..bfb1a92 100644
--- a/cmd/scansweeps/go.mod
+++ b/cmd/scansweeps/go.mod
@@ -29,6 +29,7 @@ require (
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	lukechampine.com/uint128 v1.3.0 // indirect
diff --git a/cmd/scansweeps/go.sum b/cmd/scansweeps/go.sum
index 1f8410b..c24e630 100644
--- a/cmd/scansweeps/go.sum
+++ b/cmd/scansweeps/go.sum
@@ -36,6 +36,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
diff --git a/cmd/utils/go.mod b/cmd/utils/go.mod
index 2376e07..4e7ade0 100644
--- a/cmd/utils/go.mod
+++ b/cmd/utils/go.mod
@@ -26,6 +26,7 @@ require (
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	lukechampine.com/uint128 v1.3.0 // indirect
diff --git a/cmd/utils/go.sum b/cmd/utils/go.sum
index 1f8410b..c24e630 100644
--- a/cmd/utils/go.sum
+++ b/cmd/utils/go.sum
@@ -36,6 +36,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
diff --git a/cmd/web/go.mod b/cmd/web/go.mod
index c49d3a0..71b143f 100644
--- a/cmd/web/go.mod
+++ b/cmd/web/go.mod
@@ -13,6 +13,7 @@ require (
 	git.gammaspectra.live/P2Pool/p2pool-observer/cmd/index v0.0.0
 	git.gammaspectra.live/P2Pool/p2pool-observer/cmd/utils v0.0.0
 	github.com/gorilla/mux v1.8.0
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc
 	github.com/valyala/quicktemplate v1.7.0
 )
 
diff --git a/cmd/web/go.sum b/cmd/web/go.sum
index 15d1b43..6c4e35e 100644
--- a/cmd/web/go.sum
+++ b/cmd/web/go.sum
@@ -43,6 +43,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasthttp v1.30.0/go.mod h1:2rsYD01CKFrjjsvFxx75KlEUNpWNBY9JWD3K/7o2Cus=
diff --git a/cmd/web/views/funcs.qtpl b/cmd/web/views/funcs.qtpl
index e3d1e2c..fdcc89b 100644
--- a/cmd/web/views/funcs.qtpl
+++ b/cmd/web/views/funcs.qtpl
@@ -9,6 +9,7 @@
 {% import "fmt" %}
 {% import "slices" %}
 {% import hex2 "encoding/hex" %}
+{% import fasthex "github.com/tmthrgd/go-hex" %}
 
 {% stripspace %}
 
@@ -20,32 +21,32 @@
 		{%s s %}
     {% case types.Difficulty %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:types.DifficultySize*2], s.Bytes())
+	    fasthex.Encode(ctx.HexBuffer[:types.DifficultySize*2], s.Bytes())
 	    %}
 	    {%z= ctx.HexBuffer[:types.DifficultySize*2] %}
     {% case crypto.PrivateKeyBytes %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s[:])
+	    fasthex.Encode(ctx.HexBuffer[:], s[:])
 	    %}
 	    {%z= ctx.HexBuffer[:] %}
     {% case crypto.PublicKeyBytes %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s[:])
+	    fasthex.Encode(ctx.HexBuffer[:], s[:])
 	    %}
 	    {%z= ctx.HexBuffer[:] %}
     {% case crypto.PrivateKey %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s.AsSlice())
+	    fasthex.Encode(ctx.HexBuffer[:], s.AsSlice())
 	    %}
 	    {%z= ctx.HexBuffer[:] %}
     {% case crypto.PublicKey %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s.AsSlice())
+	    fasthex.Encode(ctx.HexBuffer[:], s.AsSlice())
 	    %}
 	    {%z= ctx.HexBuffer[:] %}
     {% case types.Hash %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s[:])
+	    fasthex.Encode(ctx.HexBuffer[:], s[:])
 	    %}
 	    {%z= ctx.HexBuffer[:] %}
     {% case []byte %}
@@ -54,14 +55,14 @@
 	    {% code
 		var buf [4]byte
 		binary.LittleEndian.PutUint32(buf[:], s)
-	    hex2.Encode(ctx.HexBuffer[:4*2], buf[:])
+	    fasthex.Encode(ctx.HexBuffer[:4*2], buf[:])
 	    %}
 	    {%z= ctx.HexBuffer[:4*2] %}
     {% case uint64 %}
 	    {% code
 		var buf [8]byte
 		binary.LittleEndian.PutUint64(buf[:], s)
-	    hex2.Encode(ctx.HexBuffer[:8*2], buf[:])
+	    fasthex.Encode(ctx.HexBuffer[:8*2], buf[:])
 	    %}
 	    {%z= ctx.HexBuffer[:8*2] %}
     {% default %}
@@ -77,27 +78,27 @@
 		{%z= utils.ShortenSlice(slices.Clone(s), n) %}
     {% case crypto.PrivateKeyBytes %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s[:])
+	    fasthex.Encode(ctx.HexBuffer[:], s[:])
 	    %}
 	    {%z= utils.ShortenSlice(ctx.HexBuffer[:], n) %}
     {% case crypto.PublicKeyBytes %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s[:])
+	    fasthex.Encode(ctx.HexBuffer[:], s[:])
 	    %}
 	    {%z= utils.ShortenSlice(ctx.HexBuffer[:], n) %}
     {% case crypto.PrivateKey %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s.AsSlice())
+	    fasthex.Encode(ctx.HexBuffer[:], s.AsSlice())
 	    %}
 	    {%z= utils.ShortenSlice(ctx.HexBuffer[:], n) %}
     {% case crypto.PublicKey %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s.AsSlice())
+	    fasthex.Encode(ctx.HexBuffer[:], s.AsSlice())
 	    %}
 	    {%z= utils.ShortenSlice(ctx.HexBuffer[:], n) %}
     {% case types.Hash %}
 	    {% code
-	    hex2.Encode(ctx.HexBuffer[:], s[:])
+	    fasthex.Encode(ctx.HexBuffer[:], s[:])
 	    %}
 	    {%z= utils.ShortenSlice(ctx.HexBuffer[:], n) %}
     {% case fmt.Stringer %}
diff --git a/go.mod b/go.mod
index b3b43ee..a32948b 100644
--- a/go.mod
+++ b/go.mod
@@ -16,6 +16,7 @@ require (
 	github.com/holiman/uint256 v1.2.3
 	github.com/jxskiss/base62 v1.1.0
 	github.com/stretchr/testify v1.8.1
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc
 	golang.org/x/sys v0.10.0
 	lukechampine.com/uint128 v1.3.0
 )
diff --git a/go.sum b/go.sum
index b4a2f0f..7828fa3 100644
--- a/go.sum
+++ b/go.sum
@@ -48,6 +48,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
diff --git a/monero/crypto/private.go b/monero/crypto/private.go
index a8fe340..e6ca2d2 100644
--- a/monero/crypto/private.go
+++ b/monero/crypto/private.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"git.gammaspectra.live/P2Pool/edwards25519"
 	"git.gammaspectra.live/P2Pool/p2pool-observer/utils"
+	fasthex "github.com/tmthrgd/go-hex"
 )
 
 type PrivateKey interface {
@@ -160,7 +161,7 @@ func (k *PrivateKeyBytes) UnmarshalJSON(b []byte) error {
 		return errors.New("wrong key size")
 	}
 
-	if _, err := hex.Decode(k[:], b[1:len(b)-1]); err != nil {
+	if _, err := fasthex.Decode(k[:], b[1:len(b)-1]); err != nil {
 		return err
 	} else {
 		return nil
@@ -171,7 +172,7 @@ func (k *PrivateKeyBytes) MarshalJSON() ([]byte, error) {
 	var buf [PrivateKeySize*2 + 2]byte
 	buf[0] = '"'
 	buf[PrivateKeySize*2+1] = '"'
-	hex.Encode(buf[1:], k[:])
+	fasthex.Encode(buf[1:], k[:])
 	return buf[:], nil
 }
 
@@ -254,7 +255,7 @@ func (k *PrivateKeySlice) MarshalJSON() ([]byte, error) {
 	var buf [PrivateKeySize*2 + 2]byte
 	buf[0] = '"'
 	buf[PrivateKeySize*2+1] = '"'
-	hex.Encode(buf[1:], (*k)[:])
+	fasthex.Encode(buf[1:], (*k)[:])
 	return buf[:], nil
 }
 
diff --git a/monero/crypto/public.go b/monero/crypto/public.go
index ed938ab..d4f972d 100644
--- a/monero/crypto/public.go
+++ b/monero/crypto/public.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"git.gammaspectra.live/P2Pool/edwards25519"
 	"git.gammaspectra.live/P2Pool/p2pool-observer/utils"
+	fasthex "github.com/tmthrgd/go-hex"
 )
 
 type PublicKey interface {
@@ -143,7 +144,7 @@ func (k *PublicKeyBytes) UnmarshalJSON(b []byte) error {
 		return errors.New("wrong key size")
 	}
 
-	if _, err := hex.Decode(k[:], b[1:len(b)-1]); err != nil {
+	if _, err := fasthex.Decode(k[:], b[1:len(b)-1]); err != nil {
 		return err
 	} else {
 		return nil
@@ -154,7 +155,7 @@ func (k *PublicKeyBytes) MarshalJSON() ([]byte, error) {
 	var buf [PublicKeySize*2 + 2]byte
 	buf[0] = '"'
 	buf[PublicKeySize*2+1] = '"'
-	hex.Encode(buf[1:], k[:])
+	fasthex.Encode(buf[1:], k[:])
 	return buf[:], nil
 }
 
@@ -224,6 +225,6 @@ func (k *PublicKeySlice) MarshalJSON() ([]byte, error) {
 	var buf [PublicKeySize*2 + 2]byte
 	buf[0] = '"'
 	buf[PublicKeySize*2+1] = '"'
-	hex.Encode(buf[1:], (*k)[:])
+	fasthex.Encode(buf[1:], (*k)[:])
 	return buf[:], nil
 }
diff --git a/p2pool/cache/go.mod b/p2pool/cache/go.mod
index 6ed6231..7d9644f 100644
--- a/p2pool/cache/go.mod
+++ b/p2pool/cache/go.mod
@@ -23,6 +23,7 @@ require (
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/jxskiss/base62 v1.1.0 // indirect
+	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/sys v0.10.0 // indirect
 	lukechampine.com/uint128 v1.3.0 // indirect
diff --git a/p2pool/cache/go.sum b/p2pool/cache/go.sum
index 05165df..d3e4b63 100644
--- a/p2pool/cache/go.sum
+++ b/p2pool/cache/go.sum
@@ -34,6 +34,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777 h1:5u+6YWU2faS+Sr/x8j9yalMpSDUkatNOZWXV3wMUCGQ=
 github.com/thepudds/swisstable v0.0.0-20221011152303-9c77dc657777/go.mod h1:4af3KxEsswy6aTzsTcwa8QZUSh4V+80oHdp1QX9uJHA=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
+github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
diff --git a/types/difficulty.go b/types/difficulty.go
index cbe05ed..32859f4 100644
--- a/types/difficulty.go
+++ b/types/difficulty.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"git.gammaspectra.live/P2Pool/p2pool-observer/utils"
 	"github.com/holiman/uint256"
+	fasthex "github.com/tmthrgd/go-hex"
 	"lukechampine.com/uint128"
 	"math"
 	"math/big"
@@ -194,7 +195,7 @@ func (d Difficulty) MarshalJSON() ([]byte, error) {
 	var buf [DifficultySize*2 + 2]byte
 	buf[0] = '"'
 	buf[DifficultySize*2+1] = '"'
-	hex.Encode(buf[1:], encodeBuf[:])
+	fasthex.Encode(buf[1:], encodeBuf[:])
 	return buf[:], nil
 }
 
@@ -250,7 +251,7 @@ func (d *Difficulty) UnmarshalJSON(b []byte) error {
 	if len(b) == DifficultySize*2+2 {
 		// fast path
 		var buf [DifficultySize]byte
-		if _, err := hex.Decode(buf[:], b[1:len(b)-1]); err != nil {
+		if _, err := fasthex.Decode(buf[:], b[1:len(b)-1]); err != nil {
 			return err
 		} else {
 			*d = DifficultyFromBytes(buf[:])
diff --git a/types/types.go b/types/types.go
index ca1be43..a440ffc 100644
--- a/types/types.go
+++ b/types/types.go
@@ -5,6 +5,7 @@ import (
 	"encoding/binary"
 	"encoding/hex"
 	"errors"
+	fasthex "github.com/tmthrgd/go-hex"
 	"runtime"
 	"unsafe"
 )
@@ -19,7 +20,7 @@ func (h Hash) MarshalJSON() ([]byte, error) {
 	var buf [HashSize*2 + 2]byte
 	buf[0] = '"'
 	buf[HashSize*2+1] = '"'
-	hex.Encode(buf[1:], h[:])
+	fasthex.Encode(buf[1:], h[:])
 	return buf[:], nil
 }
 
@@ -132,7 +133,7 @@ func (h *Hash) UnmarshalJSON(b []byte) error {
 		return errors.New("wrong hash size")
 	}
 
-	if _, err := hex.Decode(h[:], b[1:len(b)-1]); err != nil {
+	if _, err := fasthex.Decode(h[:], b[1:len(b)-1]); err != nil {
 		return err
 	} else {
 		return nil
@@ -145,7 +146,7 @@ func (b Bytes) MarshalJSON() ([]byte, error) {
 	buf := make([]byte, len(b)*2+2)
 	buf[0] = '"'
 	buf[len(buf)-1] = '"'
-	hex.Encode(buf[1:], b)
+	fasthex.Encode(buf[1:], b)
 	return buf, nil
 }
 
@@ -160,7 +161,7 @@ func (b *Bytes) UnmarshalJSON(buf []byte) error {
 
 	*b = make(Bytes, (len(buf)-2)/2)
 
-	if _, err := hex.Decode(*b, buf[1:len(buf)-1]); err != nil {
+	if _, err := fasthex.Decode(*b, buf[1:len(buf)-1]); err != nil {
 		return err
 	} else {
 		return nil
diff --git a/utils/number.go b/utils/number.go
index 2174bfe..01b5cc1 100644
--- a/utils/number.go
+++ b/utils/number.go
@@ -5,6 +5,7 @@ import (
 	"encoding/binary"
 	"encoding/hex"
 	"github.com/jxskiss/base62"
+	fasthex "github.com/tmthrgd/go-hex"
 	"math/bits"
 	"strconv"
 	"strings"
@@ -64,7 +65,7 @@ func EncodeSliceBinaryNumber(dst, src []byte) []byte {
 	}
 
 	if len(v) >= (len(src) * 2) {
-		hex.Encode(dst, src)
+		fasthex.Encode(dst, src)
 		return dst[:len(src)*2]
 	}