diff --git a/packages/hw-ledger/src/defaults.ts b/packages/hw-ledger/src/defaults.ts
index a6983ddbf2..f756a5d9e2 100644
--- a/packages/hw-ledger/src/defaults.ts
+++ b/packages/hw-ledger/src/defaults.ts
@@ -54,6 +54,7 @@ export const genericLedgerApps = {
   encointer: 'Encointer',
   frequency: 'Frequency',
   integritee: 'Integritee',
+  mythos: 'Mythos',
   polimec: 'Polimec',
   vara: 'Vara'
 };
diff --git a/packages/networks/src/defaults/genesis.ts b/packages/networks/src/defaults/genesis.ts
index c341a7c507..ce174c258b 100644
--- a/packages/networks/src/defaults/genesis.ts
+++ b/packages/networks/src/defaults/genesis.ts
@@ -102,6 +102,9 @@ export const knownGenesis: KnownGenesis = {
   matrixchain: [
     '0x3af4ff48ec76d2efc8476730f423ac07e25ad48f5f4c9dc39c778b164d808615'
   ],
+  mythos: [
+    '0xf6ee56e9c5277df5b4ce6ae9983ee88f3cbed27d31beeb98f9f84f997a1ab0b9'
+  ],
   nodle: [
     '0x97da7ede98d7bad4e36b4d734b6055425a3be036da2a332ea5a7037656427a21'
   ],
diff --git a/packages/networks/src/defaults/ledger.ts b/packages/networks/src/defaults/ledger.ts
index dfadb14ae1..f0623464da 100644
--- a/packages/networks/src/defaults/ledger.ts
+++ b/packages/networks/src/defaults/ledger.ts
@@ -32,6 +32,7 @@ export const knownLedger: KnownLedger = {
   khala: 0x000001b2,
   kusama: 0x000001b2,
   matrixchain: 0x00000483,
+  mythos: 0x0000003c,
   nodle: 0x000003eb,
   origintrail: 0x00000162,
   parallel: 0x00000162,