Blockchain News Optimism passes buyback proposal to bolster OP token January 30, 2026 The Optimism blockchain will begin to sell half of its Superchain revenue to buy back its own token starting next month, with the tokens held for future ecosystem use. About The Author coinmaker See author's posts Post navigation Previous: Avalanche tokenization hits Q4 high as BlackRock’s BUIDL expands onchainNext: Unclaimed Ethereum from The DAO hack to fund new security initiative: Griff Green More Stories Blockchain News Dollar stablecoins could improve FX access but amplify currency runs: IMF July 12, 2026 Blockchain News Zcash targets July 28 launch for Ironwood network upgrade July 10, 2026 Blockchain News Bitcoin’s quantum dilemma: Bigger blocks or STARK proofs? July 9, 2026