CoinEx News: Polymarket developer Mustafa Aljatery (@mustafap0ly) on May 13 posted a terminal screenshot from his Polymarket workspace showing a coding prompt to extend the CLOB taker rebate program with a higher discount tier for users staking $POLY, tested on testnet. The post pulled 369,000 views and 316 quote-tweets within 24 hours, with the crypto community parsing the screenshot as the first concrete hint of $POLY utility beyond the airdrop CMO Matthew Modabber confirmed on the Degenz Live podcast in October 2025.