How to Launch a Coin Like Pump.fun (But With Locked LP)

Why Creators Want the "Pump.fun" Launch

When people say they want to launch a coin "like Pump.fun," they usually mean three things: launch in seconds, with no liquidity upfront, and have it tradeable instantly. That model made Pump.fun the default for Solana meme launches, and for fast experiments it's genuinely hard to beat.

The problem is that the same mechanics that make it fast also make it the easiest place on Solana to get sniped, and there's no liquidity lock to reassure the buyers you're trying to attract. This guide explains exactly how the Pump.fun model works, where it quietly costs you, and how to keep the speed while fixing the two things that hurt creators most.

How the Pump.fun Model Actually Works

Pump.fun launches your token onto a bonding curve instead of a normal liquidity pool:

1. You sign one transaction and the token goes live on a virtual price curve.
2. Buyers trade against the curve: early buys are cheap, later buys cost more.
3. Pump.fun takes 1% of every trade.
4. When the curve fills (around $69K market cap), the token graduates to PumpSwap, and a real liquidity pool is created.

The appeal is real: no LP to fund, no configuration, instant trading. But notice what's missing in steps 1-3.

The Two Costs Nobody Mentions Upfront

There's no liquidity to lock, so buyers can't verify trust

On a bonding curve, there is no liquidity pool until graduation. Until then, buyers are trading against a curve, not a pool you can lock. That means no green lock badge on DexScreener, no on-chain proof you can't pull the rug, during the exact window when buyers are deciding whether to trust you.

Most never graduate, so for most tokens the lock never exists at all. (What liquidity locking is and why buyers look for it.)

The bonding curve is a sniper's dream

Because the earliest buy is always the cheapest, the bonding curve rewards the first wallet in. Sniper bots monitor new launches, buy block-0 at the floor, and dump into your community's first organic wave. There's no anti-sniper fee and no fair launch window, because there's no pool to protect yet. By the time you have one, the snipers are long gone, with your supply. (How sniping works and how to stop it.)

Keep the Speed, Fix the Two Problems

You don't have to choose between "fast like Pump.fun" and "safe for holders." The fix is to launch directly into a DEX pool with locked liquidity from the first transaction, instead of waiting on a bonding curve to graduate. Here's the side-by-side:

The trade-off is honest: you fund liquidity upfront (a few SOL) instead of letting buyers fill a curve. In exchange, your LP is locked and verifiable from the first second, and snipers can't race a launch that protects block 0.

How to Launch a Coin With Locked LP: Step by Step

This is the flow on SolFoundry, but the principles apply anywhere that launches directly to a DEX:

1. Create the token. Name, symbol, supply, and image. AI ideation can generate the concept and artwork if you don't have one yet (optional, ~0.10 SOL).
2. Choose your standard. SPL for maximum compatibility, or Token-2022 for newer features. (Token-2022 vs SPL.)
3. Seed and lock liquidity. Deposit your SOL + tokens into a Meteora DAMM v2 pool. The LP is locked permanently the moment it's created, and you still claim trading fees on the locked position.
4. Set anti-sniper decay. Pick a starting fee, ending fee, and duration. For example, 15% decaying to 0.25% over 30 minutes. Early high fees deter snipers and flow back to your locked LP.
5. Set a Fair Launch Window (optional). Block all trading until an activation timestamp (30 seconds to 60 minutes), so there's no block-0 race at all. (How the fair launch window works.)
6. Revoke authorities. Mint and freeze authorities revoked in the same launch, so supply can't be inflated and wallets can't be frozen.

Total platform cost is a flat ~0.20 SOL, with no percentage on trades. (Full cost breakdown.)

When the Pump.fun Model Is Still the Right Call

Honesty matters here. If you're testing ten meme ideas in a week and expect nine to go nowhere, the bonding-curve model is more efficient: no upfront LP to fund per experiment, and the casino velocity is the point. Use the fast, free path for disposable experiments.

Switch to a direct-to-DEX launch with locked LP for the one project you actually want holders for, where block-0 protection and a verifiable lock are worth a few minutes and a few SOL of liquidity.

Frequently Asked Questions

Can I migrate a Pump.fun token to a locked-LP launch?

No. Pump.fun tokens are tied to the bonding curve and graduate to PumpSwap; they're not portable. But your next launch can use a direct-to-DEX flow, and many creators run both: Pump.fun for fast tests, locked-LP launches for serious projects.

Why does launching with locked LP cost more than Pump.fun?

Because you fund the liquidity pool upfront instead of letting buyers fill a bonding curve. The platform fee is a flat ~0.20 SOL with no percentage on trades, versus Pump.fun's 1% forever, so for any token that does real volume, the locked-LP path is cheaper overall.

Does locking liquidity mean I lose the trading fees?

No. With a permanent lock on Meteora DAMM v2, the LP can't be withdrawn, but you still claim the trading fees the position earns. You give up the ability to pull liquidity, not the ability to earn from it.

Is a Fair Launch Window better than an anti-sniper fee?

They solve the same problem differently. The fee decay makes sniping unprofitable; the Fair Launch Window makes block-0 sniping impossible by blocking trades until an activation time. You can use both together.

Do I still launch in seconds?

Creating the token is near-instant. Funding and locking liquidity adds a few minutes versus a pure bonding-curve launch. The difference is minutes, the payoff is a verifiable lock and no block-0 race.

Ready to Launch?

Want the speed of a Pump.fun-style launch with locked LP, revoked authorities, and anti-sniper protection from t=0? That's exactly what we built. Start at solfoundry.io/liquidity-lock.

Sources

• Pump.fun bonding curve mechanics, Bitquery
• Pump.fun fees documentation
• Meteora DAMM v2, protocol reference