The cosmos chain ID is hardcoded

[hoh]

pyaleph/src/aleph/chains/cosmos.py

Line 29 in deaa4c3

"chain_id": "signed-message-v1",

See aleph-im/aleph-js#48

[hoh]

We may want to fix this in aleph-client, and then deduplicate the logic and rely on aleph-client for signature verification.