Cointelegraph.comEthereumHermezTetherzero knowledgeZk-rollup

Hermes Network launches zk-rollups on Ethereum mainnet to process cheap payments

Hermez users will be able to transact with ETH, USDT, WBTC on a scalable layer-two network.
Hermez Network has announced on Wednesday the launch of its zk-rollup mainnet release. This means that the network is now open for users, who can benefit from the rollup’s much lower transaction costs than Ethereum.Zk-rollups use zero knowledge proofs to verify the correctness of a large batch of transactions. An outside ecosystem executes these transactions and generates proofs for them, which are then posted directly on the Ethereum blockchain. The result is a saving of over 10x in terms of block space, with Hermez transactions weighing just 10 bytes on the main chain, compared to more than 100 bytes for a standard Ether transfer.Hermez supports several major tokens including Ether (ETH), Wrapped BTC (WBTC), Tether (USDT), Dai and HEZ, Hermez’s token.The zk-rollup requires depositing funds to a smart contract and withdrawing them to use in the Ethereum mainnet. Unlike optimistic rollups, however, funds can be withdrawn immediately from the layer two. In Hermez’s case, there are still some precautionary limitations to ensure a smooth launch. Pol Lanski, lead of ecosystem development at Hermez, told Cointelegraph:“It’s an automated volume limitation on withdrawals that is implemented in the smart contracts as an additional checkpoint to identify the network’s anomalous behavior. This limitation will kick in automatically only when a sudden high volume of funds withdrawal is detected, and the objective is to give the developer team some time to verify the …
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