@Sunnie The protocol used to tag txs in WoC is MAP — Metane…

J1Pelaez ·

@Sunnie The protocol used to tag txs in WoC is MAP — Metanet Access Protocol.
Official spec: https://github.com/rohenaz/MAP
Prefix address: 1PuQa7K62MiKCtssSLKy1kh56WWU7MtUR5

Script structure (0 sats output)
OP_FALSE OP_RETURN [MAP_PREFIX] SET [key1] [value1] [key2] [value2] ...
All fields are hex-encoded. The fixed fields are always app and type, followed by optional fields depending on the operation:
Field;Key;Example value:
App name;app3D; Ordi
Operation type;typemint; buy, burn, follow, etc.
Ordinal outpoint;outpoint; txid_vout
Inscription / user ID;id12345

Operation types in 3DOrdi
mint · cover-mint · item-mint · like · follow · transfer · buy · list · unlist · burn · subscription · payment · airdrop · message
Every 3D Ordi transaction includes this 0-sat output at the end, allowing blockchain indexers to identify and categorize platform activity on-chain.