Reentrancy is considered one of the most notorious and perilous vulnerabilities in the DeFi world. Most of these attacks usually target smart contracts, which form the backbone of automated financial ...

Abstract: Reentrancy is a well-known source of smart contract bugs on Ethereum, leading e.g. to double-spending vulnerabilities in DeFi applications. But less is known about this problem in other ...

Defrost Finance, a decentralized finance (DeFi) protocol built on the Avalanche blockchain, has just been hacked for $173,000 worth of funds. Following the exploit, the native token for the project ...

Reminder on actor A -> calls into actor B -> can't call into actor A. Reminder on an actor fails if call stack contains any other method invocation on the same actor: call locks, and http timeouts.

Reentrancy attacks have become a big problem in smart contracts. They exploit a bug where a function is called before the previous one is done, and that’s a hole that hackers can exploit. This allows ...

Terra developers briefly paused network operations on Wednesday after an apparent reentrancy attack led to over $4 million of various tokens being taken from the blockchain. The blockchain halted at ...

Stellar (XLM) introduces Soroban, a smart contract platform emphasizing performance, sustainability, and security for scalable DeFi applications. Stellar (XLM) has announced the launch of Soroban, a ...

Despite being groundbreaking, smart contracts are not impervious to flaws that malevolent parties could exploit. Inadequate input validation is a prevalent weakness that enables attackers to affect ...

Asymmetric Research, a security firm that contributes to the Wormhole interoperability protocol, disclosed details of a vulnerability impacting the Cosmos blockchain ecosystem that it says could have ...