ERC-721 vs. ERC-1155: What’s the Difference Between NFT Token Standards?
ERC-721 and ERC-1155 are the two Ethereum token standards that make NFTs work. ERC-721 was proposed in January 2018 by William Entriken, Dieter Shirley, Jacob […]
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What are gas fees, and why do NFT transactions cost extra?
Gas fees are payments you make to a blockchain network to process an NFT transaction. Here’s how Ethereum’s fee structure works, why fees spike during mints, and how to pay less.
The Ronin Bridge Hack: How Axie Infinity Lost $625 Million
In March 2022, attackers drained $625 million from the Ronin bridge behind Axie Infinity. Here is how the hack worked, who was behind it, and what it teaches NFT owners.
What Does It Mean to Mint an NFT?
Minting an NFT means sending a transaction that creates the token for the first time and records your wallet as its owner. Here is what the contract actually does, how a mint differs from a marketplace purchase, and why a failed mint still costs you.
How to Revoke NFT Approvals and Wallet Permissions
Old approvals can let a hacked contract move your NFTs. Learn how to check and revoke wallet permissions with Revoke.cash or Etherscan, and how often to do it.
Ethereum, Solana, or Polygon: Which Blockchain Should You Buy NFTs On?
Quick answer: Ethereum has the deepest liquidity and the most established collections, but fees can spike. Solana is fast and cheap. Polygon is a low-cost middle ground.