Osmosis, a blockchain used for decentralized cryptocurrency trading, resumed producing blocks after an interruption of about four hours. The halt prompted Upbit to suspend OSMO deposits and withdrawals, though trading in the token remained available on the exchange.
Onchain records show a gap between block timestamps from 5:57 p.m. to 9:53 p.m. ET on Nov. 12. A later network status response showed the chain had reached block 74,961,665 at 1:14 a.m. ET on Nov. 13, indicating that block production had resumed.
In a notice published at 8:21 p.m. ET on Nov. 12, or 10:21 a.m. the following day in South Korea, Upbit suspended deposits and withdrawals through the Osmosis Chain network. The exchange said trading would continue without interruption and that transfers would reopen after it confirmed they were stable.
The distinction matters to users: a blockchain's restart does not automatically restore an exchange's deposit and withdrawal services. Upbit said it would make that decision after its own checks, rather than at a fixed time.
Blockchain infrastructure provider Quicknode reported that Osmosis stopped producing blocks at 5:57 p.m. ET on Nov. 12, citing block height 74,955,152. The block history later showed block 74,955,153 timestamped in the same minute, followed by block 74,955,154 at 9:53 p.m. ET.
Osmosis supports token swaps on its blockchain. Without new blocks, swaps, transfers and withdrawals on Osmosis cannot be confirmed. The restart restores block production, but does not in itself establish that every application or exchange has cleared delayed transactions.
Bithumb also suspended OSMO deposits and withdrawals, citing the halt in block production, while keeping trading available. Coinbase reported delayed sends and receives and said customer funds were safe. That assurance applied to Coinbase customers, not to a network-wide assessment of funds on Osmosis.
The exchange notices did not specify a technical cause. Upbit said it would announce when deposits and withdrawals resumed in the same notice, after confirming they could operate safely.
