Across Protocol vs Trail of Bits

Across Protocol

Across Protocol is the leading intent-based cross-chain bridge, connecting over 15 chains — including Hyperliquid's HyperCore and HyperEVM — with near-instant settlement and some of the lowest fees in DeFi. Unlike traditional message-passing bridges, Across replaces step-by-step execution with user-declared outcomes called intents: users specify what they want, and a competitive network of relayers races to fulfill each transfer optimally. Backed by a three-layer architecture — a request-for-quote mechanism, a network of competitive relayers, and an on-chain settlement layer — Across guarantees fast fills averaging under one minute without sacrificing security or decentralization. Bridging 1 ETH costs under $1. The protocol has processed over $22B in cumulative volume across 15M+ transactions, making it one of the most proven interoperability solutions in production. For the Hyperliquid ecosystem, Across unlocks seamless capital inflows from Ethereum, Arbitrum, Base, Optimism, and beyond — giving users and protocols a reliable, low-cost on-ramp to both HyperCore's order-book liquidity and HyperEVM's growing DeFi landscape.

Trail of Bits

Trail of Bits is one of the most respected cybersecurity research and consulting firms in the blockchain space, providing world-class smart contract audits and security research for protocols building on HyperEVM and other EVM chains. With an interdisciplinary team including cryptographers and EVM experts, Trail of Bits applies rigorous static analysis, fuzzing with Echidna, formal verification with Manticore, and manual code review to identify vulnerabilities that automated tools miss. Trail of Bits has audited some of the most complex protocols in DeFi, including cryptographic libraries, cross-chain bridges, and lending protocols—all relevant to the infrastructure being built on Hyperliquid. Their public security research and open-source tooling (Slither, Echidna, Medusa) benefit the entire HyperEVM developer community beyond their paid audit clients, raising the security baseline of the entire ecosystem through freely available tools and research.

Choose Across Protocol if you...

• ✓Want a bridges & cross-chain solution on Multi-Layer
• ✓Prefer a verified and vetted protocol
• ✓Need features like bridge and intent-based
• ✓Need: Intent-based cross-chain bridge — near-instant USDC bridging to Hyperliquid

Choose Trail of Bits if you...

• ✓Want a security & audits solution on Multi-Layer
• ✓Need: Elite security research and auditing firm with deep EVM smart contract expertise