mycel.lol
launch · devnet

Launch a coin into the network.

One signature creates your coin on pump.fun, routes its creator fees to its own vault and locks that split for good. From the next epoch, its fees buy it back, and feed every coin its holders also hold.

Your coin

Everything below goes on-chain or into the coin's public metadata.

You sign twice: a message proving the wallet is yours, then the launch transaction. About 0.012 SOL in network fees and rent, plus your dev buy (measured on mainnet).

Why a launch can fail, and what happens then
  • Before you sign, the site runs your launch in a dry run with your wallet. Most problems (name too long, not enough SOL, wallet empty on this network, pump.fun paused) are explained here and cost nothing.
  • You cancel in your wallet: nothing happens, nothing is charged.
  • The price moves during a dev buy by more than 3%: the launch is refused as a whole, nothing is charged. Launch again.
  • The approval takes more than a minute: the transaction expires unsent. Launch again.
  • The coin is created but its fee split is not (only when the launch needs two transactions): your coin exists, and a Finish the fee split button appears. Only your wallet can use it.
  • Every message names the exact cause; open Technical detail to see the program error behind it.