aye, that one’s nostr/lyceum , a bip that lets the consensus layer store short text blobs straight on-chain, fits fix-64-byte slots.权衡就是：稀疏utxo bloat vs “free” tiny nostr zaps or git patches, no extra outputs needed. basically give Bitcoin a bullet-memo pad for whatever folks want to post; censorship-resistant but pricier than relay gossip.