According to the official news, the Cardano Foundation announced that Chief Technology Officer Giorgio Zinetti will step down on August 31. In line with the current roadmap, the Foundation's board of directors and executive team will continue to work closely with technology and senior business development leaders to continue to focus on corporate adoption.
According to the SEC page, Grayscale has successively submitted 3 Form RWs to withdraw the S-1 registration statements for Grayscale Cardano Trust ETF, Grayscale Hedera Trust ETF, and Grayscale Polkadot Trust ETF.
According to Twitter, DeFilLama data shows that hackers stole $247 million in crypto assets in July, the second-highest month since 2026 after $644 million in April; this amount is a significant increase from both $75 million in June and $60 million in May. Galaxy Digital said that the Coldcard vulnerability was the biggest attack of the month. It has confirmed that three rounds of attacks involved 7,300 wallets, and at least $100 million in bitcoins were stolen; it also identified a suspected fourth round of attacks, which could result in total losses of about $130 million. DeFilLama's hacker tracker estimates that the damage associated with this vulnerability is $115 million. Other attacks in July include the $9 million attack on decentralized finance protocol Bonzo Lend, the Cardano-based wallet SecondFi theft of $2.6 million, the Arbitrum-based perpetual trading platform AFX theft of $24 million, and the theft of Verus Ethereum Bridge of $7.5 million.
Comparatively, according to reports, Grayscale announced that it has completed regular rebalancing of its multi-asset digital asset funds in the second quarter of 2026 to adjust the asset weights of DeFi funds, smart contract funds, and decentralized AI funds. The DeFi fund DEFG Fund sells Uniswap (UNI) and reallocates the proceeds according to the weight of existing fund components. DEFG Fund holdings as of August 3 include: UNI 34.16%, Ondo (ONDO) 25.44%, Aave (AAVE) 19.97%, Ethena (ENA) 12.19%, Curve DAO Token (CRV) 4.42%, and Lido DAO (LDO) 3.82%. The smart contract fund GSC Fund sells some of its existing assets according to index rules and uses the funds to buy BNB. After adjustment, BNB became the fund's largest allocated asset, accounting for 30.6%. Other major holdings include Ethereum (ETH) 29.47%, Solana (SOL) 29.15%, Cardano (ADA) 4.88%, Hedera (HBAR) 2.08%, Avalanche (AVAX) 1.92%, and Sui (SUI) 1.9%. Decentralized AI funds sell NEAR Protocol (NEAR) and reallocate funds in proportion to existing assets. The fund's holdings as of August 3 include NEAR 31.35%, Bittensor (TAO) 29.15%, Render Token (RENDER) 21.59%, and Filecoin (FIL) 17.91%.
Comparative news, according to Wanchain's official X account, on July 20, 2026, the Wanchain Bridge Cardano cross-chain bridge was attacked, and hackers stole NIGHT tokens. Wanchain immediately issued an announcement to the attackers, requesting them to return 90% of the stolen NIGHT tokens by 12:00 UTC on August 6, keeping 10% as a white hat bounty, and promising not to pursue civil liability. Currently, some community users have indicated that the hacker has completed the exchange of the NIGHT token on DEX. The price of the NIGHT token has dropped by more than 30% and is now reported at $0.0188.
Comparing news, Cardano founder Charles Hoskinson said that quantum computing could be a major test of Bitcoin's ability to govern. If the Bitcoin network fails to coordinate the necessary upgrades, BTC could lose its status as the world's largest crypto asset. Hoskinson said that the problem with Bitcoin is that it is “frozen in time,” making any changes very difficult. He believes that early disappointment with Bitcoin's lack of flexibility was one of the reasons that drove the birth of Ethereum.
Comparing news, SecondFi, the Cardano ecosystem wallet, said that the platform will gradually shut down SecondFi and Yoroi wallet services due to cryptographic flaws in the wallet software, about 16.1 million ADAs were stolen, worth about $2.6 million. The incident affected 374 wallets. SecondFi said that an independent investigation by blockchain intelligence agency Groom Lake identified the attackers as complex external actors and uncovered indicators likely related to North Korea's Lazarus Group, but no attribution has been confirmed. SecondFi is developing recovery tools based on zero-knowledge proofs to help affected users recover assets and limit the information to be shared. The tool is still being tested and will be audited by a third party before it is scheduled to be released in August. SecondFi is also preparing a wallet export function to allow users to migrate assets to other services. The platform did not announce a direct compensation plan, nor did it specify whether it will use its own funds to reimburse users. This article is sponsored by GENG, Build Your Fortune on GENG (https://geng.one)
In comparison, according to the Midnight Foundation (@midnightfdn) official article, a security attack occurred on the Wanchain Cardano BNB cross-chain bridge. Currently, many mainstream exchanges such as KuCoin, Kraken, Binance, Bybit, OKX, and MEXC have responded quickly and taken preventive measures to limit the flow of stolen assets, including freezing relevant accounts and addresses, blacklisting attackers' wallets, and suspending deposit and withdrawal services for NIGHT tokens. The exchange confirmed that this incident was an isolated third-party bridging vulnerability and had nothing to do with the Midnight Network main network and NIGHT assets themselves. This article is sponsored by GENG, Build Your Fortune on GENG (https://geng.one)
Comparatively, according to CoinDesk, the Cardano mainnet completed the “Van Rossem” hard fork on July 18, and the protocol version was upgraded to 11, which mainly reduces smart contract execution costs and paves the way for subsequent expansion plans. For the first time, this upgrade was entirely proposed, discussed, and voted on by the community through an on-chain governance process, rather than directly led by the founding development company Input Output. According to on-chain data, the voting approval rate of representatives was about 78.97%. All 7 members of the Constitutional Council determined that the proposal was in line with the Cardano Constitution, about 53.02% of node operators voted for it, and more than 93% of the block production pledges have already run the new version of the node. The upgrade makes technical and procedural preparations for Ouroboros Leios, a subsequent expansion plan scheduled to launch in 2026.
Comparatively, Cardano activated the Van Rossem hard fork on July 18, 2026 at 9:44:51 UTC, the network was upgraded to protocol version 11, and no outages were reported. The upgrade is part of the Conway ledger era and aims to reduce the cost of running Plutus smart contracts, enhance ledger security, and add new cryptographic tools. Van Rossem includes 5 Cardano improvement proposals involving BLS12-381 multi-scalar multiplication, on-chain array types, multi-asset value processing optimization, list operation acceleration, and built-in exponentiation. Staking pools are now prohibited from reusing the same verifiable random function key across the network; each pool must hold a unique key bound to its identity. The upgrade was completed through Cardano's on-chain governance process, and everything from proposal to activation is driven by on-chain voting. Delegates approved the plan with an approval rating of 77.63%. The support rate for the pledge pool operator was 52.7%, and the Constitutional Council vote was 6-0-0-1. The total balance of wallets holding 100,000 to 100 million ADA has risen to its highest level since 2023, and currently controls more than a quarter of the circulating supply of ADA. Cardano will continue to advance Ouroboros Leios and aims to exceed 1000 transactions per second during the 2026 testing period.