Bitbond raised $3 M in a new round of funding on 2019-05-28.

In this article, we share the technical details of the "Hamster Wheel" attack discovered by the CertiK Skyfall team, explaining how this new type of attack exploits key vulnerabilities to cause a complete shutdown of the Sui network.

Previously, the CertiK team discovered a series of denial-of-service vulnerabilities in the Sui blockchain. Among these vulnerabilities, a new and high-impact vulnerability stands out. This vulnerability can cause Sui network nodes to be unable to process new transactions, and the effect is equivalent to a complete shutdown of the entire network. Just last Monday, CertiK received a $500,000 bug bounty from SUI for discovering this major security vulnerability. CoinDesk, an authoritative media in the U.S. industry, reported on the event, and then major media also released related news following its report. This security vulnerability is vividly called "Hamster Wheel": its unique attack method is different from the currently known attacks. The attacker only needs to submit a payload of about 100 bytes to trigger an infinite loop in the Sui verification node. , making it unresponsive to new transactions. Additionally, the damage from the attack persisted after the network restarted...

The Solana ecosystem is gradually recovering after experiencing significant setbacks, thanks to its unique technology, stable developer community, and market confidence. The price of $SOL has rebounded, and the total lock-up value has reached $812 million. On-chain activities have become diversified, with daily volume significantly leading other blockchains. Technological innovation and collaboration further drive market development, and the future outlook is optimistic.

This article introduces how to build a basic decentralized NFT trading platform, focusing on the characteristics of NFTs, trading methods, and core functions, including listing, purchasing NFTs, and fee collection processes. Through the development of smart contracts and the front-end interface, it demonstrates the specific steps and technical tools for implementing the trading platform.

This week, the Crypto Assets market has generally shown a volatile upward trend, with Bitcoin rising due to the Fed's dovish stance, and no panic triggered by the movement of BTC from the Mtgox Address. Ethereum has shown weaker performance, with funds flowing into Tron’s ecosystem Meme coins. The sentiment in the Altcoin market has improved, resulting in a general rise, but inflows remain limited, and risks need to be monitored. The overall outlook suggests that Bitcoin and Ethereum will maintain volatility, while Altcoins may finish their catch-up rally.