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SEC Opens Door to Tokenized Stock Trading as Circle's Arc Gets Hijacked by Memecoins

September 18th, 2026 - Bitcoin trades at seventy-eight thousand two hundred fourteen dollars as the SEC unveils a landmark innovation exemption allowing real U.S. stocks to trade on blockchain networks through automated market makers. Circle's institutional Arc blockchain launched this week backed by BlackRock, Visa, and Mastercard, but was immediately overrun by memecoin traders instead of the intended corporate payments. Zcash surged above fourteen hundred seventy dollars following a Paradigm co-founder endorsement and community governance vote. Meanwhile, S&P Global acquired smart contract…

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