ChainCatcher news, according to official sources, the network instability caused by a DoS attack on the IoTeX network has now been restored. IoTeX L1 has completed the upgrade to version 2.1.2, which introduces single-account rate limiting to protect nodes from DoS attacks.This upgrade is not a hard fork, but IoTeX officials still recommend that node operators and API gateways synchronize network upgrades to enhance overall network stability.

ChainCatcher message, Arbitrum Developers posted on the X platform stating that the Arbitrum Security Council is planning to take emergency action to activate ArbOS 32 in the coming days. Version v3.2.0 includes security fixes activated by the newly upgraded ArbOS 32, and the source code will be available at 10 AM Eastern Standard Time on Tuesday, after which the upgrade process will begin.Previously, Arbitrum Developers announced that Arbitrum Nitro v3.2.0 has been released, and relevant parties need to upgrade to this version as soon as possible.

ChainCatcher news, the founder of the mining project Ore on the Solana chain, Hardhat Chad, has released the ORE v2 version update.The new version will be upgraded in three phases (upgrading v1 token metadata, activating the v1 to v2 upgrade, and activating mining), aiming to enhance the project's decentralization and user participation. Specific details include: removal of the admin variable, replaced with open-source algorithm management; total supply limited to 21 million tokens, with mining expected to be completed by 2064; introduction of a staking mechanism, allowing for up to 2x mining rewards; optimization of anti-witch attack strategies; smart contracts will be upgradable in the early stages and will be permanently frozen later; v1 tokens can be exchanged 1:1 for new ORE tokens within 3 months.

ChainCatcher message, Aptos announced on social media that Aptos Node v1.14.1 has been released. Please upgrade to version v1.14.1 within the next 5 days.

ChainCatcher news, Ethereum client Prysm announces the release of version v4.0.5, which includes many important improvements and bug fixes since v4.0.4, including significant improvements to proof aggregation. (source link)

ChainCatcher news, the liquid staking protocol Lido officially announced that it has launched a voting on the V2 version upgrade of its Ethereum mainnet application on Aragon. Once the vote passes, Lido V2 will go live on May 15. (source link)

ChainCatcher news, Cosmos Hub announced on Twitter that the V9 Lambda upgrade has been successfully completed, and the Replicated Security feature has been enabled on Cosmos Hub.Previously, on March 8, Cosmos Hub tweeted that the V9 Lambda upgrade proposal had been voted through with a support rate of 99.48%. The V9 Lambda upgrade will take place on March 15. (source link)

ChainCatcher message, Kava published a blog stating that the Kava 13 upgrade is coming, which includes:Kava EVM 2.0, which will enhance performance through optimizations in full node software and hosting service providers, eliminating downtime and accelerating the processing of large data requests from protocols and wallets to support the launch of new protocols;Cosmos-Ethereum bridging, increasing the utility of Cosmos SDK and EVM on-chain wallets, dApps, and assets;Vault control, as the Strategic Vault feature expands, Kava DAO will be able to manage its treasury and deploy resources to any protocol on Kava. In addition to sending rewards to wallets or batch wallets, the Kava 13 upgrade will enable Kava DAO to control liquidity provision, asset exchange, portfolio diversification, and more. (source link)

ChainCatcher message, the Snapshot page shows that Lido's proposal for the V2 version upgrade on Ethereum has been voted through with 100% support.According to the proposal, the V2 version upgrade will include support for Ethereum withdrawals and a staking router. Lido plans to conduct testing on the Goerli testnet from March 7 to 31 after the proposal is approved. The deployment of the V2 version on the mainnet will depend on the timing of the Ethereum Shapella upgrade and the completion of the audit. (Source link)

ChainCatcher message, Lido's proposal for the V2 version upgrade is now open for voting. The V2 version upgrade will include support for Ethereum withdrawals and a staking router.Currently, several security agencies are auditing the code. If the proposal passes, Lido plans to conduct testing on the Goerli testnet from March 7 to March 31. The deployment of the V2 version on the mainnet will depend on the timing of the Ethereum Shapella upgrade and the completion of the audit. (source link)

Chain Catcher news, the public chain project Tezos upgraded to the Kathmandu protocol at block height 2,736,129 and has gone live on the mainnet, adding new scalability capabilities.It is reported that this is the 11th upgrade for Tezos since its establishment in 2018, aimed at improving potential scalability. The Kathmandu upgrade was proposed by Tezos contributors and the core development team including Nomadic Labs, Marigold, TriliTech, Oxhead Alpha, Tarides, DaiLambda, Functori, and Tweag. (source link)