$IOPN
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THE BLOCK: The Proof of Attendance Protocol is shutting down after more than five years, having minted millions of collectable mementos for crypto events, conferences, hackathons, classrooms and community gatherings, co-founder Isabel Gonzalez announced.
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AI visual note: A graphic features the stylized text "POAP IS FOR MEMORIES" in purple and pink retro bubble lettering against a light background with simple line illustrations of clouds and a bridge. The image serves as a nostalgic farewell to the Proof of Attendance Protocol (POAP), celebrating its role in creating digital mementos for crypto events over five years before its shutdown.