Quick Overview

Quick Overview

Achieve lightning-fast bridging between L2 and L1 in just 23.258 seconds!

What is Most Bridge?

Most Bridge is a cutting-edge L2<>L1 bridging solution, currently supporting unidirectional transfers from Optimism Sepolia (source) to Ethereum Sepolia (destination). Our innovative approach achieves unprecedented bridging finality, setting a new standard in cross-chain asset transfers.

Key Features

• Blazing Fast: Complete bridging in just 23.258 seconds

• Cost-Effective: Only three transactions required

• Highly Secure: Leverages Zero Knowledge Proofs and Storage Proofs

• Simple Architecture: Minimizes attack vectors

• Modular Design: Adaptable to various blockchains

Introduction

For the @User

The Problem

Despite being advanced technologies, blockchains still can't communicate with one another seamlessly. Their native messaging systems either aren't compatible or can take an extended amount of time—sometimes up to a week—to process. With the growing number of blockchains available, users don’t want their funds locked on a single network, especially when they could benefit from lower gas fees offered by L2s, for instance. At the end of the day, users should have the freedom to move their assets across networks as they see fit, without unnecessary delays or complications.

What is Most?

In an ideal world, transferring funds between chains would be fast, easy, and secure—exactly what Most Bridge aims to deliver. Most Bridge is the newest, fastest, and most secure way to move funds between blockchains. And in case you’re wondering, “most” means “bridge” in 🇵🇱 Polish! So, yes, technically, it's called “bridge bridge”.

Features

What sets Most Bridge apart is its incredible speed. Once an order is placed, users can receive their funds on the destination chain in under 25 seconds. It’s also highly secure. Governed by Solidity smart contracts, Most ensures that market makers are only paid once the exact transfer, as specified in the initial order, has been completed. The transfer on the destination chain is then verified on the source chain, releasing the locked funds to the MM. Leveraging advanced Herodotus Data Processor(HDP) Modules, Most Bridge uses verifiable data to confirm that the transfer has occurred on the destination chain, ensuring that users' funds are neither lost nor exploited. Its smart contract architecture is intentionally simple, enhancing security by assigning each contract a clear, limited role, leaving no room for malicious actors to exploit loopholes.

Most Bridge is also highly modular. The architecture used for Most v1 can be applied to almost any blockchain, whether it's L2 or L1. The way market makers facilitate the bridging process is equally flexible. The v0 proof of concept was built with a multiple market maker approach (MMM), while v1 used a singular market maker (SMM). Both approaches are adaptable, depending on the needs of the organization or blockchain integrating Most Bridge into their ecosystem. Additionally, the smart contracts can be written in any language supported by the blockchain, including Solidity, Cairo, Rust, or Vyper. This flexibility allows Most Bridge to function seamlessly across chains, regardless of their native messaging system, giving users a reliable and secure way to move funds cross-chain.

How Does It Work?

The bridging process is straightforward. To move funds to another chain, the user creates an order on the source chain using the Escrow smart contract, where their funds are locked. The order is then emitted to the Market Maker (MM), who fulfills it on the destination chain by calling the transferTo function on the Payment Registry smart contract. This function stores all the details of the transfer in the contract. Once the order is fulfilled, the MM can send proof of the completed transfer to the source chain at their convenience (e.g., when gas fees are lower). The Escrow contract on the source chain verifies the proof by comparing it to the data stored during order creation, such as recipient details and the amount sent. If the data matches, the order is marked as PROVED, allowing the Market Maker to withdraw the locked funds from the Escrow smart contract.