2 posts tagged with "ethereum"

Every dApp I've ever worked on eventually hits the same wall: reading data back out of the blockchain. Writing to a contract is the easy, glamorous part. Then someone asks for a page that shows "all the user's past transactions, sorted by date, with token metadata," and you remember that the chain is a terrible database. You can't just SELECT * FROM transfers. You have to index — replay events, shape them into tables, and keep them in sync as new blocks arrive. For years the default answer to that was a subgraph on The Graph. Ponder is a bet that there's a much nicer way to do it, and after spending time with it, I think the bet mostly pays off.

Non-Fungible Tokens (NFTs) have revolutionized the way we think about digital ownership and asset representation on the blockchain. In this comprehensive guide, we'll explore what NFTs are, how they work, and dive deep into the ERC-721 standard that made them possible.

What is a NFT?​

A Non-Fungible Token (NFT) is a unique digital token that represents ownership of a specific asset on the blockchain. Unlike cryptocurrencies such as Bitcoin or Ethereum (which are fungible), each NFT is unique and cannot be replaced with something else of equal value.