Dum4.fun

Dum4.fun

Your money-back guarantee for failed memecoin launches

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First Solana memecoin launchpad with automatic rent refunds. Get 71% back (0.00645 SOL) when tokens fail by closing your ATA. Uses SPL-2022 close authority - impossible on old token standards. Effective cost: 0.00255 SOL vs 0.03 SOL elsewhere (91% cheaper). Features: bonding curve → AMM migration, locked liquidity (no rugs), 0.20% creator fees forever, automatic cleanup of dead tokens. Built on Solana with SPL-2022. Contract: 2w6PMUmTbdyiSRo9RRXxugUMWNYcyT67icEg9wjGSrND
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Free
Launch tags:Crypto•GitHub•Web3
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dum4.fun launchpad
Maker
📌

Hey Product Hunt! 👋

I'm launching dum4.fun - a Solana memecoin launchpad that actually gives you money back when tokens fail.

KEY FEATURES:

- RENT REFUNDS - Get 71% of your money back when tokens fail (0.00645 SOL automatic refund)

- SPL-2022 STANDARD - Latest Solana token technology (2025) with close authority

- AUTO-CLEANUP - Failed tokens automatically deleted, keeping blockchain clean

- LOW COST - Only 0.009 SOL to create, 0.00255 SOL effective cost after refunds

- SECURE - No rug pulls, locked liquidity, fair launch, no admin keys

HOW IT WORKS:

1. Bonding Curve Phase (0-20 SOL): Fair price discovery, early buyers get best prices

2. AMM Phase (20+ SOL): Automatic migration with locked liquidity forever

FEES:

- Creation: 0.009 SOL - refund 0.00645 SOL (0.00445 SOL on failure + 0.002 when closing your memecoin ATA)

- Trading Bonding Curve: 1.09% (0.89% protocol + 0.20% creator)

- Trading AMM: 0.49% (0.29% protocol + 0.20% creator)

- Creator earns: 0.20% on all trades forever + 0.05 SOL graduation bonus

UNIQUE INNOVATION:

Only launchpad using SPL-2022's close authority feature to refund rent from failed tokens. Create 100 tokens, 98 fail - get most of your money back automatically. No wasted capital, no blockchain pollution.

SECURITY:

- Liquidity locked forever (LP tokens burned)

- No admin keys

- Anti-rug pull: creator cannot withdraw liquidity

- Fair launch with no pre-mines

Smart Contract: 2w6PMUmTbdyiSRo9RRXxugUMWNYcyT67icEg9wjGSrND

Documentation - https://docs.dum4.fun/

Happy to answer any questions! 🚀