Mar 3, 2020DeFi: Dependency Hell Meets FinanceImagine npm bugs for your money. In a sense, that’s what we’re creating with DeFi. Financial engineering relies heavily on composability, and so does DeFi. This results in an interconnected, intertwined web of primitives. Imagine a SetProtocol Set (a smart contract). It could contain Compound cDAI (another smart contract). cDAI…Defi5 min readDefi5 min read
Published inCryptoFin·Aug 13, 2018Improving the Ethereum Developer Ecosystem with LibrariesThe Ethereum development ecosystem is lacking many tools which we take for granted in other programming environments. That’s why we’ve been working on our cryptofin-solidity library. A good library lets developers write less code which reduces bugs and saves development time. …Ethereum3 min readEthereum3 min read
Jun 19, 2018CryptoFin’s Solidity Auditing ChecklistIn the last year, hundreds of millions of dollars worth of crypto have been lost by faulty smart contracts. Beyond devastating those who lose funds, these blunders harm the ecosystem as a whole by signaling the immaturity of smart contracts and reinforcing people’s wariness. …Ethereum1 min readEthereum1 min read
Apr 25, 2018EIP-999 sensationalism and the law of trivialityThe contentious and sensational EIP-999 has been getting a flurry of media attention. EIP-999 outlines a proposal for a hard fork to recover the $330 million USD of Ether lost in the infamous Parity hack. The likelihood of this proposal being approved by the Ethereum foundation and community appears very…Ethereum1 min readEthereum1 min read
Apr 17, 2018PSA: How to fix GitHub’s syntax highlighting for SolidityGitHub doesn’t support detecting .sol files as Solidity for syntax highlighting, and the current best solution is simple but not well known. Problem GitHub uses linguist to enable language-related features. According to linguist’s maintainers, the .sol file extension is too generic to assign to Solidity. Solution Add a .gitattributes file to your…Ethereum1 min readEthereum1 min read
Mar 28, 2018What we learned from auditing the top 20 ERC20 token contractsWe recently reviewed the top 20 ERC20 token contracts as part of our process for launching Bskt. Bskt is a way to create decentralized token portfolios. A holder can use a single token to hold a number of Ethereum tokens, much like an ETF. …Ethereum5 min readEthereum5 min read
Published inCryptoFin·Mar 26, 2018Announcing Bskt, a smart contract for creating decentralized token portfoliosCryptoFin is releasing Bskt, an Ethereum smart contract that lets you compose any number of different Ethereum (ERC20) tokens into a single Ethereum token. Our whitepaper provides full details and you can create your own bskt using our source code. As interest in cryptocurrencies has grown, thousand of tokens have…Blockchain2 min readBlockchain2 min read
Mar 14, 2018Putting your crypto to work: how to earn passive incomeWhen people think about crypto investments, most think to the stellar increase in value of crypto assets. Not everyone is aware that like most forms of wealth, it’s possible to earn compoundable passive income from crypto. In the current bull market these dividends may appear negligible compared to value gained…Blockchain4 min readBlockchain4 min read
Mar 13, 2018Why Ethereum addresses have some capitalized lettersEver wondered why Ethereum addresses have some capitalized letters? It’s a checksum, meant to provide some validation that it’s a valid Ethereum address. Other crypto projects like Bitcoin employ a a checksum as additional bytes in the address, which has been vital for preventing funds from being accidentally locked forever…Blockchain1 min readBlockchain1 min read
Mar 8, 2018BNB token’s perplexing freeze functionalityWhen reading through BNB’s source code, I came across an interesting finding. I can only speculate about it, and am hoping the community can help figure it out. Binance implements freeze and unfreeze methods on its BNB token contract. Now, it’s not what you may think it is — it…Ethereum2 min readEthereum2 min read
