Odaily Planet Daily News Synthetix, the synthetic asset protocol, issued a document stating that during the upgrade of the Optimism mainnet Bedrock from 00:00 to 04:00 on June 7, Beijing time, all Synthetix contracts on Optimism will be inaccessible. Starting May 30, Optimism trading rewards will be temporarily suspended. Starting from 00:00 on June 5, Beijing time, existing perpetual contract positions will be closed and new positions cannot be opened. 10 minutes before the Bedrock upgrade, that is, at 23:50 on June 6, Beijing time, all perpetual contract markets will be suspended, issuance (staker casting/destruction) will be suspended on Ethereum and Optimism, and synth exchange will be suspended on Optimism. All Synthetix contracts on the Ethereum mainnet are accessible. Rewards for continued trading thereafter will depend on smooth upgrades and subsequent resumption of trading. During the upgrade, all Synthetix contracts on Optimism will be inaccessible due to Optimism downtime. Once the Bedrock upgrade is complete, all features and contracts will be unblocked and accessible. According to previous news, the upgrade of the Optimism mainnet Bedrock will be held at 00:00 on June 7th. The upgrade will require the mainnet to be shut down for 2-4 hours. During the downtime, transactions, deposits and withdrawals will not be possible. Node operators need to start a A fresh node deployment.