diff --git a/bchain/coins/grs/grsparser.go b/bchain/coins/grs/grsparser.go
index a0bc51bd..507fd7ff 100644
--- a/bchain/coins/grs/grsparser.go
+++ b/bchain/coins/grs/grsparser.go
@@ -42,14 +42,14 @@ func init() {
 
 // GroestlcoinParser handle
 type GroestlcoinParser struct {
-	*btc.BitcoinLikeParser
+	*btc.BitcoinParser
 	baseparser *bchain.BaseParser
 }
 
 // NewGroestlcoinParser returns new GroestlcoinParser instance
 func NewGroestlcoinParser(params *chaincfg.Params, c *btc.Configuration) *GroestlcoinParser {
 	return &GroestlcoinParser{
-		BitcoinLikeParser: btc.NewBitcoinLikeParser(params, c),
+		BitcoinParser: btc.NewBitcoinParser(params, c),
 		baseparser:        &bchain.BaseParser{},
 	}
 }
diff --git a/build/docker/deb/gpg-keys/groestlcoin-releases.asc b/build/docker/deb/gpg-keys/groestlcoin-releases.asc
deleted file mode 100644
index e59835d2..00000000
--- a/build/docker/deb/gpg-keys/groestlcoin-releases.asc
+++ /dev/null
@@ -1,30 +0,0 @@
------BEGIN PGP PUBLIC KEY BLOCK-----
-
-mQENBFxOL0ABCACnC4Im0MjbJpfoxWxkIWC9zugsjckwHC2UbXu5gFjtPbE6bXwK
-IvhQeoHNPxuwm1dOWwWtJvoAoR+lOJqRMhvPM1DBcZe4Ht6XzzWnwx9WRP3lP99a
-J2xOhdwNKv+HCVJ4tbwTTtkWuNWCMiUEjigoULTjKr1mecwoSEnQIRR0ciwxIpG/
-mO1SQdS96sujr3+70LTThIjgdOD1CA5GrwZSMctIPXEGXKXEQ4NL9/Zc8I5G9//y
-8B+TiHTCpoIWfFbYw1GAUkLhswWV+rLNIYQzjxe3w9FD40+s1dU/1DzO2y2gib2n
-G57RnwQ5V6i4axi7buWNzhWqGBXR6xxVIfN1ABEBAAG0J2phY2tpZWxvdmU0dSA8
-amFja2llbG92ZTR1QGhvdG1haWwuY29tPokBVAQTAQgAPhYhBCh65MoRh8aMCLSc
-stEb1PM/HbSZBQJcTi9AAhsDBQkDwxhwBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheA
-AAoJENEb1PM/HbSZFIgIAKaLGqXuahun8Nuds0c33ezqdT6vu4llAJSxX+dAg0Z0
-DKgski4jep1n94qvQXcoFhTcvXNxIv8YATzNx9JyM7SRVPQspr+g0hkzq75XfgsV
-VqW8vPqAB1pdQoaSoK6wFljTA5DKifp7T8sJeNtReCjjSptszhdFaNllHAotz9qj
-EoSHSnq8zlYKcVDnSqDEZozrbTohhWhc4V9VoNcYR8evNSdE8RCS+loVaPUIwANp
-YK39Wxs0uE0j30iC/BY4b1ORP/fP7W3y8bgHscdQ5tEJa53iOFK3AYMhjc4ULZIz
-i1z3rw1CcItWbuF5AbUTpnWRFG2uza6yRwZhcQyUBT+5AQ0EXE4vQAEIALv/X1oH
-8r4uHfzkoQDrVvsjiGeTOVLbwNAqJGHzxWi2brVjlOdffmJGMRWS89trrveXWAIT
-zjgFpkiZubOj/lS2+k5jE/IAakyX+eMUFULZt+6DF5oJBKTkdKaLi11dzJCPmaIv
-fkNz3g68J9RlDJBFVLJzlaFGq6xZ1itbYDPrNjx98f7VhR2XbG/bise9heUpm9YJ
-nJ8u5fjhbo10NNg6nwj7Huhwa+tuTHmQ/yPQ+dh8EeW78uwxrTRZ1DFTRTnFnBS6
-Q3jBI4cte8B0UWtcCZyXOXatShr/V5LTwH/Cxck2uu2X5tczhAWA1I3uZS5vUkJH
-2kl1wWs54Xb/zMkAEQEAAYkBPAQYAQgAJhYhBCh65MoRh8aMCLScstEb1PM/HbSZ
-BQJcTi9AAhsMBQkDwxhwAAoJENEb1PM/HbSZZ4gH/i3uRPk+x9ryedvADloY12uf
-uv4GiJsIu4ZRvTiMrffMfSXl4W5G1Sp8IO2dKUs9pujrzOPPeYnxF/bILuCyve5v
-kbbURwh7/gws6DOV75TmRDLyRhZktW1MWtKaF3ZQqndGgj2r8HWACCFJEYQCp2dN
-UcIerVH9ZgmtsiZja4Kp1cf3SXu6xWLpg1DYhKAWfaGeK59ytP/D7BeIomuFp57i
-lj0o/ThIqOunBQcaQaCSnpuXiPO6pOQZTaapj/xnGWlYcIowcKiUu/qgn4q/oh7P
-oaBLoyLR9Orz09BuwAcpg5PaxV1HiprSU/wNW0cvS2DgdcfUZkYLb0MW6GC/9GA=
-=7/m/
------END PGP PUBLIC KEY BLOCK-----
diff --git a/configs/coins/groestlcoin.json b/configs/coins/groestlcoin.json
index 2676c369..cfad624f 100644
--- a/configs/coins/groestlcoin.json
+++ b/configs/coins/groestlcoin.json
@@ -22,10 +22,10 @@
     "package_name": "backend-groestlcoin",
     "package_revision": "satoshilabs-1",
     "system_user": "groestlcoin",
-    "version": "2.21.1",
-    "binary_url": "https://github.com/Groestlcoin/groestlcoin/releases/download/v2.21.1/groestlcoin-2.21.1-x86_64-linux-gnu.tar.gz",
-    "verification_type": "gpg-sha256",
-    "verification_source": "https://github.com/Groestlcoin/groestlcoin/releases/download/v2.21.1/SHA256SUMS.asc",
+    "version": "22.0",
+    "binary_url": "https://github.com/Groestlcoin/groestlcoin/releases/download/v22.0/groestlcoin-22.0-x86_64-linux-gnu.tar.gz",
+    "verification_type": "sha256",
+    "verification_source": "b30c5353dd3d9cfd7e8b31f29eac125925751165f690bacff57effd76560dddd",
     "extract_command": "tar -C backend --strip 1 -xf",
     "exclude_files": [
       "bin/groestlcoin-qt"
diff --git a/configs/coins/groestlcoin_testnet.json b/configs/coins/groestlcoin_testnet.json
index 271d8c1b..c0daa35b 100644
--- a/configs/coins/groestlcoin_testnet.json
+++ b/configs/coins/groestlcoin_testnet.json
@@ -22,10 +22,10 @@
     "package_name": "backend-groestlcoin-testnet",
     "package_revision": "satoshilabs-1",
     "system_user": "groestlcoin",
-    "version": "2.21.1",
-    "binary_url": "https://github.com/Groestlcoin/groestlcoin/releases/download/v2.21.1/groestlcoin-2.21.1-x86_64-linux-gnu.tar.gz",
-    "verification_type": "gpg-sha256",
-    "verification_source": "https://github.com/Groestlcoin/groestlcoin/releases/download/v2.21.1/SHA256SUMS.asc",
+    "version": "22.0",
+    "binary_url": "https://github.com/Groestlcoin/groestlcoin/releases/download/v22.0/groestlcoin-22.0-x86_64-linux-gnu.tar.gz",
+    "verification_type": "sha256",
+    "verification_source": "b30c5353dd3d9cfd7e8b31f29eac125925751165f690bacff57effd76560dddd",
     "extract_command": "tar -C backend --strip 1 -xf",
     "exclude_files": [
       "bin/groestlcoin-qt"