Published: August 20, 2025
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🚨 Road to Launch Milestone Complete 🚨 Portal has completed two independent audits by GreySwan Security covering Core Network contracts and Solana HTLCs. This isn’t just about safety. It’s about proving the strength of our architecture. 🧵⤵️

Image in tweet by Portal

Grey Swan went line-by-line across: ✅ Core Ethereum bridging & settlement contracts ✅ Solana Hashed Timelock Contracts (HTLC) Together, these power atomic, cross-chain swaps across BTC, ETH, SOL, and more. This is the future of decentralized trading across chains.

📊 Audit Snapshot: 🔹 Core Contracts: 15 findings (1 critical, 1 high, 3 medium, 10 low) 🔹 Solana HTLC: 7 findings (all low severity none critical/high) All critical & high-risk issues resolved. Medium/low items patched or in final review. Speed + precision = Portal culture.

Key fixes = protocol hardening: 🔐 Strengthened ERC-6909 operator delegation to prevent asset drain. ⏳ Dynamic timelocks added to avoid fund lockups. 🧮 Overflow checks & safe math on voting logic. 🗝️ Improved access controls & timeout handling in Solana HTLCs. Not patches,

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