Diligent smart contract audits are an essential part of crypto security. Getting the audit is only the first step, though. As a protocol owner, even if you receive an audit from one of the best smart contract auditors, you still have to understand their findings and implement any fixes. As an investor, how do you … Read more
Dopex is the premier on-chain options provider. The Arbitrum-native protocol has broken much ground for delivering decentralized, trustless options trading to the blockchain. This Dopex protocol overview article will dive into some of the technical details that make this protocol so special. Fear not, there is no scary math ahead! Part of my reason for … Read more
Dawn breaks Saturday morning in the Americas with a crushing DeFi exploit. Stablecoin provider and Tribe DAO member Fei Protocol was hacked in a series of transactions around 6:30 EST, for a loss of over 26,873 ETH, just over $76 million USD. The protocol is currently offering a $10 million USD whitehat bounty for return … Read more
Saddle Finance is no stranger to hacks. They’ve already been hit before, under somewhat suspicious circumstances. This time around, though, it looks like a plain old fatfinger by the developers. Saddle Finance was hacked today, 4/30/22, for the loss of 3,933 ETH, worth over $11 million. The swap between sUSD and saddleUSD-V2 did not use … Read more
In Decentralized Finance, protocols live and die by liquidity. Billions of dollars are thrown around trying to manage and direct it. There are entire protocols that only exist to manage liquidity. For much of DeFi history, there was only one answer when it came to efficient swaps for large amounts: Curve. That changed with the … Read more
Welcome back to Vyper for Beginners! This lesson covers dynamic arrays, a key data type that was recently introduced with Vyper 0.3.2. This builds off the previous lessons, so please review the series below if you need a refresher or encounter anything here that is unfamiliar. NOTE: Vyper 0.3.3 was recently released, which fixes a … Read more
Virtually all lending/borrowing protocols are permissioned. Governance or developer intervention is required to support new tokens, etc. There is an important exception to this rule: Fuse. In this article, we’re going to to cover a high level overview of the Fuse protocol ecosystem. Buckle up, kiddos. We’re going on a trip. First, a bit of … Read more
Welcome back to Vyper for Beginners! This lesson covers interfaces, the primary gateway that your smart contract will use to share data with other deployed contracts on Ethereum (or compatible blockchains). This builds off the previous lessons, so please review the series below if you need a refresher or encounter anything here that is unfamiliar. … Read more
Truflation is a decentralized, censorship-resistant, on-chain inflation index that uses Chainlink oracle to provide a better inflation index than CPI. The consumer price index (CPI) just hit a 40-year high of 8.5% for March 2022. However, even with the roaring CPI numbers, there is ample arguments that the CPI number is manipulated downwards. (See this … Read more
I recently did a guest post for the BowTiedBull Substack, diving into how tokens work and common user pitfalls. One of the most requested followups was how to manually revoke token approvals without Etherscan, in case one of the helpers like Etherscan’s approval tool or Revoke.cash went down. The answer to that question is simple, … Read more