Deep Dive
1. CertiK Security Audit (8 July 2025)
Overview: IOST underwent a comprehensive audit by CertiK, scoring 92/100 with an "AA" risk assessment. This evaluated smart contracts, consensus mechanisms, and node operations.
The audit identified minor vulnerabilities in edge-case scenarios, which were patched within 48 hours. This followed IOST’s 2024 protocol upgrade to its Proof-of-Believability consensus, which increased throughput to 8,000+ TPS.
What this means: This is bullish for IOST because it reduces exploit risks for developers building DeFi/RWA apps. Enhanced security could attract institutional partners in regulated markets like Japan, where IOST holds JVCEA approval.
(Source)
2. EVM-Compatible Subnets (June 2025)
Overview: IOST’s $21M funding round accelerated the rollout of Ethereum Virtual Machine (EVM)-compatible subnets, allowing seamless deployment of Ethereum dApps.
These subnets support custom gas tokens and regulatory features like KYC hooks. Developers can now port ERC-20/ERC-721 contracts to IOST with <10 lines of code changes.
What this means: This is neutral for IOST because while interoperability attracts Ethereum developers, competition from Layer 2 chains remains fierce. Success depends on adoption of IOST’s RWA-focused infrastructure.
(Source)
3. Signet Ring App Launch (July 2025)
Overview: The Signet Ring App enables hardware-secured on-chain identities, linking biometric authentication to IOST accounts.
This required protocol-level changes to support decentralized key management. The app sold out 1,000 units in 30 minutes, signaling strong community adoption.
What this means: This is bullish for IOST because it incentivizes node participation (ring holders earn staking rewards) and positions IOST as a leader in compliant identity solutions.
(Source)
Conclusion
IOST is prioritizing security and interoperability to capture regulated real-world asset markets. While recent code upgrades strengthen its technical foundation, can developer adoption outpace larger EVM chains? Monitor Q4 2025 metrics like subnet deployment count and Signet Ring user retention.