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BitMart Exchange — Insolvency Claims and Frozen Withdrawals (August 2026)

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Summary

BitMart, a cryptocurrency exchange operating since 2017, announced an orderly wind-down on July 26, 2026, with all trading to cease by August 26, 2026, and full platform closure by January 31, 2027. Following the announcement, multiple users and at least one market-making firm reported being unable to withdraw assets, on-chain data recorded anomalously low withdrawal activity, and an open letter signed by users and employees gave founder Sheldon Xia until August 19 to disclose financial reserves and a repayment plan. Insolvency has been alleged but not independently confirmed; no regulatory body has filed charges or made a formal finding as of August 17, 2026.

Connected Entities

6 entities · 60 linked investigations
Organizations
Exchanges
△BitMart Exchange — Insolvency Claims and Frozen Withdrawals (August 2026)
Tokens
♦Bitcoin
Relationships
  • Ethereum→mentioned with→Bitcoin(60%)
  • BitMEX→mentioned with→Bitcoin(70%)
  • Binance→mentioned with→Ethereum(65%)
  • BitMart Exchange — Insolvency Claims and Frozen Withdrawals (August 2026)→mentioned with→BitMEX(70%)
  • BitMart Exchange — Insolvency Claims and Frozen Withdrawals (August 2026)→mentioned with→Binance(60%)
  • BitMart Exchange — Insolvency Claims and Frozen Withdrawals (August 2026)→mentioned with→Ethereum(80%)
  • BitMart Exchange — Insolvency Claims and Frozen Withdrawals (August 2026)→mentioned with→Bitcoin(60%)
  • BitMart Exchange — Insolvency Claims and Frozen Withdrawals (August 2026)→mentioned with→Sheldon Xia(80%)
  • Sheldon Xia→mentioned with→Binance(65%)
  • Sheldon Xia→mentioned with→Ethereum(70%)
  • + 1 more
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Timeline(15 events)

4 December 2021

BitMart hot-wallet hack; approximately $150M–$196M in cryptocurrency stolen via stolen private key from Ethereum and BSC wallets. Founder pledged company-funded user compensation.

NBC News / Bloomberg

10 August 2022

FTC issues civil subpoenas to BitMart operators investigating handling of 2021 hack and consumer representations about asset security — one of the FTC's first formal crypto probes.

Bloomberg

April 2025

Nenter 'Nathan' Chow appointed as BitMart's global CEO; founder Sheldon Xia moves to group president role.

Blockhead

22 May 2026

BitMart acknowledges withdrawal restrictions affecting 239 user accounts flagged for subsidy exploitation. Exchange announces a proof-of-reserves report is in preparation but provides no release date.

CryptoRank (reporting on Bitcoin World source)

June 2026

BitMart secures Australian Financial Services Licence; global CEO Chow outlines expansion plans for prediction markets and tokenized assets.

Blockhead

6 July 2026

Arkham Intelligence tracking shows BitMart wallets hold approximately $102 million in crypto assets.

Yellow.com

July 2026

AscendEX announces immediate closure, reportedly after losing MiCA authorization in the EU — first of three major exchange closures in July 2026.

MEXC Crypto Pulse

23 July 2026

BitMEX announces start of its own wind-down process, with full operations to end September 23, 2026.

Ryder.id

24 July 2026

Global CEO Nenter Chow informed his employment is terminated; not consulted on pending wind-down decision.

Nenter Chow on X / The Block

26 July 2026

BitMart publicly announces orderly wind-down at 01:30 UTC, immediately halting new registrations, deposits, spot orders, and moving futures to reduce-only mode. BMX token falls approximately 58% within 24 hours.

CoinDesk

27 July 2026

Arkham data shows BitMart tracked wallets have fallen to approximately $69–71 million — down from $102 million on July 6. Lookonchain reports only 58 wallets withdrew approximately $805,000 in a 24-hour period, with an eight-hour window showing zero withdrawals.

Yellow.com / CryptoSlate

29 July 2026

Multiple users publicly report frozen or delayed withdrawals, including Scandic Coin's report of approximately 21,898 USDT and 926,635 SNC stuck since July 26.

CryptoTimes

8 August 2026

Founder Sheldon Xia makes first public statement since wind-down announcement, asserting the platform 'had not fled and would not do so,' denying misappropriation, citing internal asset inventory, and raising the possibility of third-party audits — but providing no financial proof or repayment timeline.

CryptoTimes

10 August 2026

OpenGradient co-founder Matthew Wang alleges publicly that BitMart is insolvent, stating his market-making team cannot withdraw assets. Wang also alleges BitMart promoted a locked savings product the week before announcing its shutdown in what he characterized as 'a play for liquidity.'

CryptoTimes / Crypto.news

17 August 2026

BitMart tracked wallet balances fall to approximately $36.5 million — down from $71 million on July 26, a decline of roughly 49% over the wind-down period. An open letter on the BitMart Chinese-language X account sets an August 19 deadline for Sheldon Xia to disclose reserves, explain withdrawal restrictions, and publish a repayment plan, threatening multi-jurisdictional regulatory escalation. Xia dismisses the letter as fabricated.

CoinTelegraph / CryptoTimes
Provenance & Audit Trail

Decision Log

This investigation is cryptographically anchored to the Solana blockchain (3 events). 21 of 25 cited source URLs have an Internet Archive snapshot.

model: claude-sonnet-4-6

generated: 8/17/2026, 5:10:23 PM

last updated: 9/13/2026, 6:59:37 PM

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