Blog
Technical insights
Deep dives into smart contract vulnerabilities, blockchain security best practices, and technical research from CertiK engineers.
EducationalFollowing the Money, with SkyTraceSkyTrace is a graphical trace tool for tracking suspicious activity between Ethereum and BSC addresses. It allows you to track money between wallets, contracts, exchanges, and chains. With this visualized data and wallet insights you’ll be able to improve your risk management. From Fraud prevention and AML to seeing what interactions a wallet has had previously, SkyTrace will help you navigate through the DeFi space more securely.
EducationalWhat is Web3?So this brings us to the next stage of the internet, Web 3.0. What is Web 3.0 and what changes will it bring to the internet as we know it today? Many people say that 3.0 combines the decentralized, community-governed ethos of Web1 with the advanced, modern functionality of Web2. While improving Web2, Web3 also has a variety of other characteristics.
EducationalTop 10 DeFi Security Best PracticesWhether you’re building DeFi protocols or any other smart contract application, there are a number of DeFi security best practices that need to be taken into account before launching onto a blockchain mainnet. From reentrancy attacks to price oracle exploits, here are 10 best practices you need to look out for as a DeFi developer and proven solutions for securing your dApp. 
EducationalWhat is Metaverse?The Metaverse is many things to many people. But at its simplest, it’s a virtual space where the physical world and the internet intersect. The Metaverse offers an immersive experience in these virtual worlds. These worlds could be user-built (like in Minecraft) or built by a company or organization (like video games or corporate websites). The Metaverse is many things to many people. But at its simplest, it’s a virtual space where the physical world and the internet intersect. The Metaverse offers an immersive experience in these virtual worlds. These worlds could be user-built (like in Minecraft) or built by a company or organization (like video games or corporate websites). 
EducationalPutting the Fun in Non-Fungible Token: What’s an NFT Anyway?NFTs have entered the zeitgeist this year, going from an obscure usecase of blockchain technology to a major force for attracting new entrants into the world of crypto.
EducationalProof of Work vs Proof of StakeProof of Work (PoW) and Proof of Stake (PoS) are the two most common consensus mechanisms that secure blockchain networks. The two have a lot in common. Both consensus mechanisms have the same function: validating transactions and then updating the ledger with those that conform to the network’s rules. Additionally, miners (in Proof of Work) and validators (in Proof of Stake) are both rewarded with the network’s native cryptocurrency for performing this role.
EducationalAudit Complete - XEND FinanceThe CertiK Security Team has successfully completed an audit of XEND Finance’s smart contract’s delta related to the rewarding group creator. The code in the audit is comprised of code related to rewarding a group's creator with a percentage of the commission fee as well as to track total $XEND token rewards. A summary of the audit and its findings follows up.
EducationalHow to Make the Most of Remote WorkEchoing the distributed nature of blockchain, the CertiK team have worked from a variety of locations around the world from day one. Remote working can be, and has been, a huge change for a lot of us. With this in mind, let’s turn to some of the CertiK team to learn their top-tips when it comes to working remotely.
EducationalZenfuse - Token Timelock Security Verification The Zenfuse Team has successfully undergone an audit of their ‘Token Timelock’, an ERC-20 timebased lock mechanism most often utilized to release developer funds at a certain point in the future. A summary of the audit and its findings as documented by the CertiK Professional Services Division follows up.
EducationalCertiK 101: Ethereum Improvement Proposals (EIPs)Ethereum Foundation’s infrastructure empowers its users to take part in shaping its future whilst maintaining and promoting a decentralized standpoint. Therefore, when it comes to Ethereum upgrades and improvements, all originate from the community, naturally in a transparent and public manner. Ethereum Improvement Proposals (EIPs) are the means through which network updates and application standards are discussed and developed.
EducationalCertiK 101: Non-Fungible Tokens (NFTs)Over $150M worth of NFTs has been traded so far. The popular ERC721 standard is here to stay and here's everything you should know about it to stay ahead of the curve!
EducationalBoosted Finance Secures DeFi Smart Contracts With CertiKNEW YORK, 10/12/2020 - We’re happy to announce that the $BOOST governance token, including its functionality with a plethora of native smart contracts such as Boost treasury, Boost token rewards, Controller, and Vault has been successfully audited with CertiK. No issues identified by Certik were considered a threat to the safety of the smart contract deployment. A summary of the audit scope and findings as documented by the CertiK Professional Services Division follows up.