Cost control
Only holders who choose to write a signal pay this extra transaction. The base portrait remains deterministic; the overlay adds holder-written state.
Clearance Writes
Epic, Legendary, and Mythic agents can write a compact overlay directly to the collection contract. The overlay is stored with SSTORE2 and rendered inside tokenURI.
Only holders who choose to write a signal pay this extra transaction. The base portrait remains deterministic; the overlay adds holder-written state.
The contract accepts writes only from the current owner of an Epic, Legendary, or Mythic token.
Each signal is a 40x40 one-bit mask, packed into 200 bytes before the transaction is sent.