Blockchain News The Web3 Foundation taps edX for free courses on blockchain and Polkadot Oktober 11, 2022 The first two out of the four-course series on blockchain and Polkadot will start on October 20, the enrollment is open now. Post Navigation Previous Economists debunk the banking system and win the Nobel PrizeNext Tether stablecoin issuer freezes 8.2M USDT on Ethereum: Data More Stories Blockchain News Pudgy Penguins-backed Abstract to shut down after ‘tens of millions’ in losses Oktober 7, 2026 Blockchain News OKX eyes emerging markets with yield-offering stablecoin savings and payments app Oktober 6, 2026 Blockchain News Safe investor asks Swiss watchdog to intervene in governance dispute Oktober 5, 2026