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Bring a coin that already trades.
Only the coin's current fee recipient can do this. Step one creates the vault with your X; step two is one call on the launchpad's own contract that points the fee stream at it. From that block every fee lands in the wall, and the wall cannot be pulled.
[ 1 · The coin ]
The contracts are not live on mainnet yet.
[ 2 · Create the vault ]
[ 3 · Point the venue at it ]
One call on the launchpad's own contract, from the recipient wallet: transferCreatorFeeRecipient(coin, vault). From that block, every fee lands in the wall.