6 hours agoHackers steal $42M from Fenbushi Capital founder’s wallet💰In brief⚡Blockchain3 min readBlockchain3 min read
4 days agoAccess Control Vulnerability in DeFi | QuillAuditsTable of Contents: 1. What does Access Control mean? 2. Importance of Access controls? 3. Real-Life Exploits Case Studies 4. Openzeppelin’s access control Libraries 5. A Small Challenge for you 6. References What does “Access Control” mean? Basically, access control means “who is allowed to carry out a specific duty”. Access controls outline the limitations on user roles…Web 35 min readWeb 35 min read
5 days agoOver $20 million was lost to Rug Pull ScamsIn brief⚡Blockchain2 min readBlockchain2 min read
Nov 18Decoding DFX Finance Exploit | QuillAuditsSummary: On the 10th of November 2022, DFX Finance was attacked. The attacker used a flash loan to attack the DFX’s contract and gained more than $7 Million. This attack was possible because the flash function lacked reentrancy protection. Introduction to DFX Finance: DFX is an Ethereum-based decentralized exchange protocol with a dynamically tuned bonding…Web 34 min readWeb 34 min read
Nov 14Amidst FTX Saga, Hacker Swept More Than $25 Million in 2nd week of NovemberIn brief⚡Hashingbits3 min readHashingbits3 min read
Nov 13Stablecoins: Are they really Stable? | QuillAuditsTable of Content: 1. What is a Stablecoin? 2. Types of Stablecoins: 3. Risk in Stablecoins? 4. Stable Coin Depeg Case-Studies: 5. Regulations on Stablecoins? 6. Closing Thoughts 7. Reference What is a Stablecoin? Stablecoins are basically cryptocurrencies whose values are pegged to another currency like USD, EURO, etc. It may also be pegged to commodities like…Crypto8 min readCrypto8 min read
Nov 8Deribit’s $28 Million Hot Wallet Hack Analysis | QuillAuditsSummary: On the 1st of November 2022, Deribit Exchange was hacked for $28 Million. The attacker compromised Deribit’s BTC, ETH, and USDC hot wallets and drained around $28 Million worth of cryptocurrencies. Deribit temporarily halted withdrawals and further announced that client assets were not affected. Deribit Exchange: Deribit is a leading cryptocurrency futures…Smartcontract Audit3 min readSmartcontract Audit3 min read
Nov 6Decoding SkywardFinance $3 Million Exploit | QuillAuditsSummary: On the 2nd of November, 2022, Skyward Finance ( token issuance platform on NEAR blockchain that helped users with initial token distribution) was attacked. The cause of the attack was incorrect input checks in skyward.near contract that resulted in the draining of around 1.1 Million $NEAR tokens i.e. around $3.2…Web 33 min readWeb 33 min read
Nov 3Front Running and Sandwich Attack Explained | QuillAuditsTable of Content: 1. How are transactions added to the blockchain? 2. Front Running Attacks 3. Example of Front Running Attack 4. Sandwich Attack 5. Mitigation 6. References How are transactions added to the blockchain? Before understanding the vulnerability, let’s first understand some terms and how transactions are submitted to the blockchain.Web 35 min readWeb 35 min read
