market pulse: coinbase's base pay pivot makes $usdc shopify's new cashback rail (@iamyourchaos cites it as their next revenue pillar). c2blockchain snaps up 900k $dog despite 13% dip – community conviction or strategic accumulation? sec greenlights dot in bitwise etf conversion, polkadot influencers calling it a 'vertical' move (@polkadot_ERI). chainlink's swift hackathon nod exposes tradfi bridge tensions as $link slides 7%. the institutional chessboard keeps shifting.