The 1st dApp on zkRouter Goes live

Say HELLO to the world

Multichain (Previously Anyswap)
Multichain
2 min readMay 10, 2023

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Positioned as an inter-chain trust mechanism built with ZKP technology, zkRouter is a trustless and general cross-chain infrastructure, for cross-chain consensus transfer between multiple chains, which will definitely bring the cross-chain field to a new level.

We are now thrilled to announce the launch of zkRouter testnet and its first dApp building on it, cross-chain bridge. You can try out the Ethereum Goerli to Fantom bridge!

Taking only two simple steps on — https://zktestnet.multichain.org/zkrouter

  1. Claim test token — ZKR
  2. Bridge ZKR from Goerli to Fantom testnet

zkRouter contract on Ethereum

zkRouter contract on Fantom

Because the development of zkRouter is still at the early stage, any feedback is welcomed to help us improve. Valuable ideas will be rewarded as well.

Features of zkRouter-based Cross-chain Bridge

  • Trustlessness

zkRouter can transfer consensus status independently as long as an honest participant enters, instead of depending on the other trust facilities. Therefore, the bridge building on zkRouter does not require third-party verification, and only requires an honest node to ensure that the source chain consensus proof can be synchronized to the target chain. ZKP-based cross-chain bridges will stop working if there’s no honest node, but this won’t cause any security issues.

In addition, any person can run nodes to become ZKP generators and relayers to obtain rewards, while the target chain light clients as verifiers are open source contracts that operate according to contracts without the risk of dishonesty.

  • Higher TPS (Transactions per second) performance

Because the consensus includes the current state of the blockchain, the generated Proof of consensus can verify multiple transactions simultaneously. The theoretical upper limit of TPS for zkRouter is equal to that of public blockchains.

On the test chain, we build 100 transactions on the same block(zkRouter)

Source chain:https://goerli.etherscan.io/txs?a=0x91d1d54572ef662419d9e552a013321b5713e3ad

target chain:

https://testnet.ftmscan.com/address/0x91d1D54572Ef662419d9E552A013321b5713E3AD#tokentxns

  • Lower gas fee cost

Through zero-knowledge proof technology, a large amount of computation generated during the consensus process can be transferred to off-chain trusted sources, thereby generating concise proof results that only require relatively little gas to verify on the chain.

What’s zkRouter

As an inter-chain trust mechanism built on zero-knowledge proof technology, zkRouter is designed to achieve cross-chain consensus transfers, in a trustless approach.

In Multichain’s product portfolio and technical architecture — MBI (Multiple Blockchain Interaction Architecture), zkRouter is located in the bottom layer — the inter-chain trust layer, supporting the upper layers: router, data, and application layers, which means zkRouter is a mechanism for transferring trust between chains with a wide range of applications.

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Multichain (Previously Anyswap)
Multichain

Cross-Chain Router Protocol (CRP), an infrastructure for cross-chain interoperability, envisioned to be the ultimate router for Web3 https://multichain.org/