ERC-4626 is a standard interface for tokenized vaults: smart contracts that take a deposit of one ERC-20 token, issue “share” tokens that represent a claim on the pool, and let holders redeem those shares later for their portion of the…
An AI agent can reason about code, but it cannot see what happened on Ethereum five seconds ago. To give it that sight, you build an MCP server: a small program that exposes blockchain actions as tools the agent can…
A real-time Hyperliquid whale alert bot is a small program that listens to the exchange’s live trade feed, keeps only the trades large enough to matter, and sends you a notification the moment one happens. You can build a working…
Flashblocks are 200-millisecond pre-confirmations on Base. Instead of waiting the full two seconds for a block, your app learns that a transaction will be included in about a tenth of that time, then updates the interface before the block is…
Bitcoin Ordinals let you attach data — an image, a line of text, even a small program — to a single satoshi, turning it into a one-of-a-kind artifact that lives on-chain. Bitcoin Runes do something different: they create fungible tokens…
A copy trading bot is a program that watches one wallet and automatically mirrors its trades into your own account. You pick a trader who is good at something, and the bot copies what they do in close to real…
A flash loan lets you borrow money with no collateral, as long as you pay it back inside the same blockchain transaction. If you can’t repay the loan plus a small fee before that transaction ends, the whole thing is…
Solana MEV is the profit validators and specialized traders can capture by controlling the order in which transactions land in a block. Most of it flows through one piece of infrastructure, Jito, and most of it is harmless arbitrage. The…
Solana Pay is an open standard for requesting a crypto payment through a URL or QR code, so a wallet can read it and a customer can pay in a couple of taps. It handles one payment at a time.…
There are two main ways to stake SOL: native staking, where you delegate directly to a validator, and liquid staking, where you deposit SOL and get a token back that you can keep using. Both pay you a share of…