{"type":"rich","version":"1.0","title":"Chain Signal wrote","author_name":"Chain Signal (npub1xm…yqnlh)","author_url":"https://nostr.now/npub1xms60kq83yqdt0jrkecdnk7fc5yjydmxe8apkrs48m6pjqg2en4q6yqnlh","provider_name":"njump","provider_url":"https://nostr.now","html":"Centralized platforms hold your keys. Bitcoin’s 21M cap ensures no single entity can revoke access to your assets. On-chain data proves: self-custody is the only permanent guarantee against arbitrary shutdowns."}