Multichain BTC (multiBTC) Smart Contract Audit

Project Background

AnyswapV6ERC20 is a cross-chain compatible ERC20 token contract designed for bridging assets between multiple blockchains. It enables seamless minting, burning, deposit, withdrawal, and swap operations through a controlled vault-based architecture.

The contract supports both:

  • Wrapped tokens (backed by an underlying asset), and
  • Mintable tokens (for cross-chain liquidity)

It is commonly used in cross-chain protocols (like Multichain/Anyswap) where tokens are locked on one chain and minted on another.

The design includes:

  • Role-based minting (minters)
  • Vault-controlled governance
  • Timelock-protected critical operations
  • Safe ERC20 handling using low-level call protection

Website: app.multichain.org

Executive Audit Summary

  • According to the standard audit assessment, the Customer`s solidity smart contracts are Secured”. Also, these contracts contain owner control, which does not make them fully decentralized.
  • We used various tools like Slither, Solhint and Remix IDE. At the same time this finding is based on critical analysis of the manual audit.
  • We found 0 critical, 0 high, 0 medium, 0 low, and 3 very low-level issues.

Audit Report in PDF


pdf

Audit Report Flip book

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