diff --git a/src/apps/common/coininfo.py b/src/apps/common/coininfo.py
index b4cb2bf29f..6e357aa962 100644
--- a/src/apps/common/coininfo.py
+++ b/src/apps/common/coininfo.py
@@ -16,7 +16,8 @@ class CoinInfo:
         fork_id: int,
         force_bip143: bool,
         version_group_id: int,
-        bip115: bool
+        bip115: bool,
+        curve_name: str,
     ):
         self.coin_name = coin_name
         self.coin_shortcut = coin_shortcut
@@ -33,6 +34,7 @@ class CoinInfo:
         self.force_bip143 = force_bip143
         self.version_group_id = version_group_id
         self.bip115 = bip115
+        self.curve_name = curve_name
 
 
 # the following list is generated using tools/codegen/gen_coins.py
@@ -54,6 +56,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Testnet',
@@ -71,6 +74,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Bcash',
@@ -88,6 +92,7 @@ COINS = [
         force_bip143=True,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Bcash Testnet',
@@ -105,6 +110,7 @@ COINS = [
         force_bip143=True,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Bgold',
@@ -122,6 +128,7 @@ COINS = [
         force_bip143=True,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Bprivate',
@@ -139,6 +146,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Dash',
@@ -156,6 +164,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='DigiByte',
@@ -173,6 +182,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Dogecoin',
@@ -190,6 +200,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Fujicoin',
@@ -207,6 +218,43 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
+    ),
+    CoinInfo(
+        coin_name='Groestlcoin',
+        coin_shortcut='GRS',
+        address_type=36,
+        address_type_p2sh=5,
+        maxfee_kb=100000,
+        signed_message_header='GroestlCoin Signed Message:\n',
+        xpub_magic=0x0488b21e,
+        bech32_prefix='grs',
+        cashaddr_prefix=None,
+        slip44=17,
+        segwit=True,
+        fork_id=None,
+        force_bip143=False,
+        version_group_id=None,
+        bip115=False,
+        curve_name='secp256k1-groestl',
+    ),
+    CoinInfo(
+        coin_name='Groestlcoin Testnet',
+        coin_shortcut='tGRS',
+        address_type=111,
+        address_type_p2sh=196,
+        maxfee_kb=100000,
+        signed_message_header='GroestlCoin Signed Message:\n',
+        xpub_magic=0x043587cf,
+        bech32_prefix='tgrs',
+        cashaddr_prefix=None,
+        slip44=1,
+        segwit=True,
+        fork_id=None,
+        force_bip143=False,
+        version_group_id=None,
+        bip115=False,
+        curve_name='secp256k1-groestl',
     ),
     CoinInfo(
         coin_name='Litecoin',
@@ -224,6 +272,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Litecoin Testnet',
@@ -241,6 +290,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Monacoin',
@@ -258,6 +308,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Namecoin',
@@ -275,6 +326,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Vertcoin',
@@ -292,6 +344,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Viacoin',
@@ -309,6 +362,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Zcash',
@@ -326,6 +380,7 @@ COINS = [
         force_bip143=False,
         version_group_id=0x03c48270,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Zcash Testnet',
@@ -343,6 +398,7 @@ COINS = [
         force_bip143=False,
         version_group_id=0x03c48270,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Zcoin',
@@ -360,6 +416,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Zcoin Testnet',
@@ -377,6 +434,7 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=False,
+        curve_name='secp256k1',
     ),
     CoinInfo(
         coin_name='Zencash',
@@ -394,5 +452,6 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
         bip115=True,
+        curve_name='secp256k1',
     ),
 ]
diff --git a/tools/codegen/gen_coins.py b/tools/codegen/gen_coins.py
index 713fef93cd..2dcd98def7 100755
--- a/tools/codegen/gen_coins.py
+++ b/tools/codegen/gen_coins.py
@@ -17,6 +17,7 @@ fields = [
     'force_bip143',
     'version_group_id',
     'bip115',
+    'curve_name',
 ]
 
 support = json.load(open('../../vendor/trezor-common/defs/support.json', 'r'))
@@ -35,6 +36,8 @@ for c in coins:
             v = '0x%08x' % data[n] if data[n] is not None else 'None'
         else:
             v = repr(data[n])
+        if n == 'curve_name':
+            v = v.replace('_', '-')
         print('        %s=%s,' % (n, v))
     print('    ),')