Ledger Recovery

offline signing + online submission

Offline Signer

self-contained HTML file. save to airgapped device, open from file://, sign transactions offline. derives Ed25519 keys via SLIP-10 from your Ledger mnemonic.

DOWNLOAD SIGNER
  1. here: build unsigned tx (below), copy JSON payload
  2. airgap: open signer.html offline, paste payload, sign with mnemonic
  3. airgap: scan/copy signed extrinsic hex
  4. here: paste signed hex (below), submit to chain

1. Build Transaction

use papi-console to build unsigned transactions, copy the JSON payload to the offline signer

2. Submit Signed Extrinsic