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Showing posts with the label smart contract

Smart contract exploit in TIME token leads to $188k loss

According to CertiK, the TIME token was exploited recently, resulting in a loss of approximately $188k.  The attack began with the exploiter converting 5 ETH to Wrapped Ether (WETH), and then trading this for over 3.4 billion TIME tokens. CertiK analysts reported that the exploit ’s root cause was the manipulation of the Forwarder contract , which is designed to execute transactions from any address. The attacker crafted a request with a falsified sender address, which they controlled, and a matching signature. This deceptive req passed the Forwarder contract ’s verification process. #CertiKSkynetAlert TIME Token was exploit ed for ~ $188k due to a recently disclosed vulnerability around ERC2771 and Multicall See our in-depth Analysis on the TIME exploit belowhttps://t.co/NF8UPcRPfQ https://t.co/MGDnmFd56d — CertiK Alert (@CertiKAlert) December 8, 2023 The attacker leveraged a parsing error, where the TIME contract was deceived into recognizing an attacker-con...

Volare Finance integrates Chainlink Price Feeds to help secure options trading. By integrating the industry-leading decentralized oracle network, Volare Finance now has access to high-quality, tamper-proof price feeds needed to help foster DeFi crypto options trading by providing trading tools that professional options traders use.

This provides its users with stronger assurances that Volare Finance eliminates the credit risk issues related to option trading in the over-the-counter (OTC) market in the conventional financial world by providing traders with fair and accurate market prices. Volare’s initial integration involves the use of the following Chainlink Price Feeds: USDC-USD BTC-USD ETH-USD AVAX-USD They chose Chainlink as its go-to oracle solution because its infrastructure is seamless to integrate and time-tested in production. Chainlink already helps secure leading DeFi protocols. Responsible for tens of billions of dollars in smart contract value. It also maintains robust security and high availability even amidst unexpected events, such as exchange downtime, flash crashes, and data manipulation attacks via flash loans. Volare Finance Mechanism The Volare mechanism stimulates trading in DeFi crypto options while providing experienced options traders with important information. It is id...

Visa Deepens Crypto Payments Presence With Ethereum Account Abstraction

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Visa Explores Account Abstraction On Ethereum For Crypto Payments According to a recently published article “ Rethinking Digital Transactions with Account Abstraction ,” Visa is studying Ethereum account abstraction and proposal ERC-4337 for digital payments. advertisement Visa has deployed two sets of Paymaster contracts on the Ethereum Goerli testnet, showing how to redesign gas fees on the blockchain to improve user convenience. ERC-4337 makes it possible for an owner to directly own smart contract accounts. In fact, Account Abstraction and Ethereum Virtual Machine compatibility offer more advantages for end users. ERC-4337 Transaction Flow. Source: Visa Guy Sheffield , head of crypto at Visa, took to Twitter to share the deployment of the first paymaster smart contract on the Ethereum testnet. Excited to see Visa deploy our first paymaster smart contract on testnet as we continue to research and experiment with account abstraction and ERC-4...