Which CEX halted SOL withdrawals?

TLDR

Upbit temporarily halted Solana (SOL) network deposits and withdrawals after an unauthorized outflow, per a The Block report.

1. Incident occurred on 27 Nov with an estimated loss of $3638 million, per Yahoo Finance.
2. Many Solana?based tokens were affected (SOL, USDC, BONK, RAY, PYTH, JUP, and others), per CoinJournal.
3. Upbit stated it would reimburse users from its own reserves, per The Block.

Deep Dive

1. Who Halted and Why

Upbit paused Solana?chain deposits and withdrawals immediately after detecting abnormal withdrawals around 04:42 KST. Reports specify an unauthorized outflow of roughly $3638 million and a temporary suspension of services while investigations proceed, per The Block and Yahoo Finance.

2. Scope on Solana Tokens

Coverage indicates a broad set of Solana?ecosystem assets were drained or impacted, including SOL, USDC, BONK, RAY, PYTH, JUP, JTO, ORCA and more. The exchange moved remaining assets to cold storage and coordinated freezes with token issuers (for example, LAYER), per CoinJournal and Yahoo Finance.

3. User Impact and Status

Upbit stated customers would not bear losses and pledged to cover the full amount from corporate reserves. Services will resume gradually after systemwide security checks, per The Block.

Conclusion

The centralized exchange halting SOL withdrawals is Upbit, following a security breach on the Solana network. The pause aims to contain risk and facilitate investigation while the exchange coordinates freezes and commits to reimbursing users.