nostr:npub1nv4j840c5ugjjq7ym3sqkz5jcschjx8ulnaa90645av0rwdylm9qv9x0gr feature by Coindesk. An absolutely ingenious design to spread #Bitcoin adoption through Africa into regions with little to no smartphone adoption.

https://www.coindesk.com/consensus-magazine/2024/03/18/machankura-20-turning-feature-phones-into-bitcoin-hardware-wallets/