The Ethereum Layer 2 Hermez Network scaling solution which uses ZK-Rollups technology for scalability has been commissioned.

The development means that the main Hermez network has been launched and users can now make transfers at lower gas costs.

“People should save around 90% of gas costs,” Hermz technical manager Jordi Baylina told The Block.

The current average gas price is about $ 16 by operation. With around 90% savings, the cost would be around $ 1.5 per transaction.

Besides lower fees, Hermez also has higher throughput than Ethereum, i.e. it can process more transactions per second. Ethereum’s current throughput is around 15 transactions per second. Baylina said Hermez could increase Ethereum’s capacity 100-fold.

Hermez uses ZK-Rollups for scalability. They allow hundreds of transfers to be consolidated into a single transaction, reducing data and gas storage costs for transaction validation.

Ethereum creator Vitalik Buterin recently stated that ZK-Rollups “Will win in all use cases” in the medium to long term as ZK-SNARK technology improves.

When it comes to bullish stacks, Buterin said they are likely to win in the short term for general-purpose computing. At the same time, ZK-Rollups are likely to win for simple payments and other application-specific use cases, he said.

One of the first projects to integrate with Hermez is Tether, as The Bock reported earlier this year. With the launch of Hermez’s mainnet, Tether’s USDT stablecoin is available on the network.

Besides USDT, Hermez also initially supports Ether (ETH), Wrapped Bitcoin (WBTC), Dai (DAI), and Hermez Token (HEZ). This means that anyone using these tokens can now use the Hermez network to make transfers.

“We will be adding many more tokens very soon,” Baylina told The Block. “Hermez is open to any ERC20 token.”

Hermez also expects “a lot of exchanges and wallets” to join the network “very soon,” he said.

While Hermez’s mainnet has been launched, there is still a lot of work to be done, Baylina said. This includes making Hermez “fully decentralized”.

Baylina said Hermez was no longer detained but still had a few points of centralization. “Over the next few weeks we need to fine-tune some parameters, and we hope to have a fully decentralized system without governance very soon,” he said.

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