Dum4.fun – Solana memecoin launchpad with automatic rent refunds

Summary: Dum4.fun is a Solana-based memecoin launchpad using the SPL-2022 token standard to provide automatic rent refunds of 71% when tokens fail. It features bonding curve price discovery, AMM migration with locked liquidity, and automatic cleanup of dead tokens, reducing effective launch costs by 91% compared to alternatives.

What it does

Dum4.fun enables memecoin creators to launch tokens with a bonding curve phase followed by AMM migration, locking liquidity permanently and applying creator fees on trades. It uses SPL-2022’s close authority to refund rent automatically when tokens fail and deletes failed tokens to maintain blockchain cleanliness.

Who it's for

It targets Solana memecoin creators seeking lower launch costs, secure liquidity, and protection against failed token losses.

Why it matters

It minimizes capital loss from failed memecoin launches by refunding rent and prevents blockchain pollution through automatic token cleanup.