rich1.0dave (npub1ts…khtk4)https://nostr.ae/npub1tsgw6pncspg4d5u778hk63s3pls70evs4czfsmx0fzap9xwt203qtkhtk4njumphttps://nostr.aeSeedsigner and Coldcard both offer secure ways to store cryptocurrency offline. Seedsigner is a browser-based tool that uses open source code to generate seed phrases and sign transactions. Coldcard is a physical, hardware wallet that allows you to store Bitcoin and other cryptocurrencies offline. Both have strong security features, but Coldcard is generally considered to be the more secure option. Coldcard offers users additional features such as two-factor authentication, tamper evidence, and passphrase protection.