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Crypto

Fed chair \'no inflation easing\' comment rattles markets; bitcoin slips below $64,000

Bitcoin rose above $64,400 right after the U.S. Federal Reserve kept its policy rate unchanged, but slid back below $64,000 after Fed Chair Kevin Warsh’s hawkish remarks. Over 24 hours, it was up just 0.13%. The Fed held rates at 3.50 to 3.75%, with three FOMC members dissenting for a 25-basis-point hike. Other major crypto prices were mostly rangebound, while risk assets faced pressure from higher oil prices and rising U.S. Treasury yields.

Crypto

Zcash activates Ironwood mainnet upgrade, halts new inflows to Orchard

Zcash has activated the Ironwood upgrade on its mainnet and halted new inflows into the existing private pool, Orchard. Zcash Open Development Lab said the upgrade went live at block height 3,428,143. Orchard is shifting effectively to a withdrawals-focused state, with remaining funds required to pass through a “turnstile” structure to move to Ironwood. The upgrade also targets an Orchard vulnerability reported in late May, with no confirmed signs of exploitation.

Crypto

Zcash Ironwood upgrade nears, overhauls circulating supply verification

Zcash will apply the Ironwood network upgrade on July 28 at block height 3,428,143. The upgrade, slated as version NU6.3, effectively ends the existing Orchard shielded pool and introduces a new shielded pool using a modified Orchard circuit. It keeps a turnstile mechanism to prevent more ZEC from leaving than legitimately entered. Zcash Open Development Lab said it is two days from mainnet activation and described Ironwood as preserving privacy while enabling verification.