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,
The Hashmasks Twitter and Discord accounts have been HACKED. Do not engage with any links they post.
Welcome back to Vyper for Beginners! This lesson covers the basic structure of a Vyper contract, a review of Vyper’s variable types, Vyper’s built-in flow control logic (including how it differs from Python), and wraps up with a simple “Hello World” contract that you can deploy on a test net or a local fork. This
What is the Tweet DAO? The novel social media NFT project is a collection of 1000 NFTs, each of which gives the holder the right to post a single tweet from the DAO’s handle every 24 hrs. The phenomenon has taken crypto twitter by storm, with the handle amassing over 5,000 followers over a few
Welcome back to Vyper for Beginners! This lesson will cover my recommended toolkit for writing, compiling, testing, and finally deploying a Vyper contract. It’s no surprise that the most fully-featured toolkit for Vyper is written in Python. Brownie is, by their own description: A Python-based development and testing framework for smart contracts targeting the Ethereum
Making secure cross-chain bridges is not easy work, as Axie Infinity’s developers Sky Mavis found out. The leading GameFi protocol runs on the Ronin blockchain, which is optimized for gaming. On March 23rd, the Ethereum side of the Ronin bridge was hacked, for the loss of 173,600 ETH and 25.2 million USDC (~$545 million total
When you keep your coins on Coinbase, Binance, Crypto.com, and all other centralized exchanges you leave them vulnerable to bad actors. Worst part of all? You don’t own the coins, the exchange does because the exchange has your keys. If you’re serious about crypto you need a hardware wallet. “Not Your Keys, Not Your Coins.”
The Bank for International Settlements had their annual Innovation Summit this week. Here is a background summary of the BIS, their intentions for CBDCs, and the ongoing project that is setting the stage.
Introduction to using Vyper for Ethereum smart contract programming