Sniping in cryptocurrency refers to the practice of being the first to buy a newly listed token or NFT at the moment of launch — often using automated bots — before the general public can react. The goal is to secure tokens at the lowest possible price immediately at listing, then sell quickly as price rises when retail buyers arrive (FOMO-driven demand). Sniping requires millisecond-level execution speed that humans cannot achieve manually.
In DeFi, token sniping typically targets new liquidity pool launches on decentralised exchanges (DEXs) like Uniswap or PancakeSwap. Sniping bots monitor the blockchain mempool for the transaction that creates a new liquidity pool, and the moment it confirms, automatically execute a buy transaction in the same or very next block. More sophisticated bots use high gas fees to front-run other transactions, ensuring first position in the queue.
NFT sniping works similarly: bots monitor NFT marketplaces for newly listed items priced below floor value (mispricings by sellers) and buy them instantly before any human can react. This is a form of arbitrage enabled purely by speed advantage. Anti-sniping measures include randomised reveal times, fair launch mechanisms, and bot-detection systems on NFT platforms.
Example: A new memecoin launches on PancakeSwap. A sniping bot detects the liquidity addition transaction in the mempool and buys 50 BNB worth of tokens in the same block as the launch. The token 10x’s within minutes as retail buyers flood in. The sniper sells within 60 seconds, profiting 500 BNB.
Learn more: CoinDesk — What Is a Crypto Sniper Bot?