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The Polylog Crypto Intelligence Brief

Morning Edition · Tuesday, July 28, 2026Published at 1:30 AM EDT · New York

BitMart Winds Down After Nine Years as Mid-Tier Exchanges Exit

Users face delayed withdrawals after an abrupt closure, a lawsuit accuses BitMEX of seizing 622 Bitcoin before its own shutdown, and Uphold cut 17 percent of staff.

BitMart Winds Down After Nine Years as Mid-Tier Exchanges Exit

BitMart said it will wind down its trading platform after nine years, abruptly reversing an expansion effort that had continued into the summer. The exchange stopped trading and left users with delayed withdrawals, with on-chain data showin…

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Mid-Tier Exchange Exits Concentrate Counterparty Risk

Falling trading volumes and rising compliance costs push mid-tier centralized exchanges to exit, concentrating users and liquidity onto a shrinking group of dominant platforms.