Gate News message: On April 9, Circle’s L1 blockchain, Arc, announced that it has open-sourced the testnet code ahead of going live on the mainnet. Effective immediately, developers can independently start testnet nodes and review the source code. At the same time, Arc has launched a bug bounty program on the HackerOne platform.

Gate News message, April 7, Web3 security platform Immunefi announced that the DeFi protocol Alchemix has relaunched its bug bounty program on the platform based on its latest v3 contracts, with a maximum reward of up to $300k. This initiative is intended to encourage security researchers to review the new version of the contract code, identify potential vulnerabilities in advance, and improve the protocol’s overall security. Immunefi stated that this is currently a critical window period for auditing the relevant code and participating in the bounty program.

Gate News message, on April 3, Hyperliquid co-founder Jeff posted an announcement on the community platform, stating that the result trading from the binary markets testnet has been included in the mainnet-level bug bounty program. The announcement notes that the current scope of the bug bounty does not include multi-outcome markets. In addition, while users are welcome to provide feedback on the frontend, frontend-related issues are not within the reward scope of the bug bounty program.

Ripple announced that it will fully roll out artificial intelligence security technologies across the XRP Ledger to detect and fix vulnerabilities and raise security standards. The plan includes adversarial code scanning, threat modeling, and more. Multiple low-severity vulnerabilities have already been identified and fixed. In addition, the codebase will be modernized to strengthen collaboration and transparency, along with the introduction of stricter security requirements and an expanded bug bounty program. This set of measures is intended to ensure XRPL’s long-term stability and trustworthiness and attract more institutions to participate.

Open source AI assistant OpenClaw released v2026.3.24, adding multiple API endpoints and supporting integration with OpenAI API. Microsoft Teams also received updates that enhanced functionality and security, with multiple bug fixes.

OpenAI Launches Public Bug Bounty Program Aimed at Identifying AI Misuse and Security Risks in Its Products, Ensuring System Safety and Preventing Misuse. The New Program Focuses on Security Scenarios Including Agent Risks, Information Disclosure, and Account Integrity.

Crypto security researcher al_f4lc0n has accused the blockchain project Injective of slow communication in handling a critical security vulnerability and disputes over the bug bounty amount. The vulnerability originates from a defect in the sub-account verification mechanism, threatening over $500 million in assets. al_f4lc0n failed to receive the deserved bounty, raising questions about Injective's security governance.

Gate News, on March 17, Sui Developers released a tweet stating that Sui's new virtual machine has been launched for testing, and a bug bounty program has been simultaneously opened. According to the introduction, the new virtual machine launched this time includes three core technology upgrades: a complete rewrite of the execution engine, faster caching mechanisms, and a next-generation Move language upgrade.

White hat hacker f4lc0n discovered a serious vulnerability in the Injective protocol that could have led to the theft of $500 million in assets. Although the fix was rewarded with only a $50,000 bounty, which is below the maximum standard of $500,000, f4lc0n disputes this and plans to continue exposing the issue.

Zodl Mobile Wallet Releases Version 3.1.0, Optimizing Swaps and CrossPay Features with Enhanced User Experience and Bug Fixes, Adding Slippage Warnings, Adjusting Default Slippage to 2%, and Improving Swap Transaction Execution Speed.