{"type":"rich","version":"1.0","author_name":"jimbocoin (npub1v9…x9q3h)","author_url":"https://nostr.ae/npub1v9qy0ry6uyh36z65pe790qrxfye84ydsgzc877armmwr2l9tpkjsdx9q3h","provider_name":"njump","provider_url":"https://nostr.ae","html":"The problem affects single-sig wallets generated by the ColdCard from March 2021 onwards.\n\nDefenses include:\n- Roll your own seed words offline\n- Add entropy to seeds (dice)\n- Use a passphrase (25th word)\n- Use multi-vendor multisig\n\nWhile it’s fine to change vendors, just changing vendors but sticking to single sig doesn’t protect you from future vulnerabilities like this being discovered.\n\nThe single, fastest, easiest mitigation is to roll a new seed with your own entropy and sweep your coins into it."}