Blockchain News OpenAI hits $500B valuation, surpassing SpaceX as world’s largest startup Oktober 2, 2025 Tether is estimated to be the closest crypto company to rival OpenAI’s $500 billion valuation, far ahead of Coinbase, Ripple and Circle. Post Navigation Previous UK weighs if victims of China fraud scheme get today’s value of seized 61K BitcoinNext Melania Trump plugs memecoin amid $10M team selling allegations More Stories Blockchain News ASX shareholder plans to sue former directors over failed blockchain project August 13, 2026 Blockchain News Ravencoin hits record low as network exploit puts transactions at risk August 12, 2026 Blockchain News Forgd brings its crypto market-maker leaderboard to DefiLlama August 5, 2026