Key Notes
- Pump Bridge is the default cross-chain trading route in the Pump.fun app.
- Pump.fun’s test reported purchase error rates of 0.9% versus 11.2% for Relay.
- Its projected $11,000 annual saving assumes ten $500 trades per day.
Pump.fun has introduced Pump Bridge, its own cross-chain trading route, and says it is already the default option for cross-chain trades in the Pump.fun app.
The platform announced the product on October 21, publishing a comparison with Relay based on a randomized test conducted from September 28 to October 7. The reported advantages cover purchase errors, execution speed and the difference between quoted market prices and tokens received.
Introducing Pump Bridge.
— Pump.fun (@Pumpfun) October 21, 2026
A Default Route Across Five Networks
Pump.fun says users in the experiment were randomly assigned to Pump Bridge or Relay, with assignments changed several times during the test. The comparison covered cross-chain trades on Robinhood Chain, BSC, Base, Arc and Ink.
The company describes purchases as swaps into tokens through liquidity pools on the destination chain, rather than conventional brokerage orders. It says Pump Bridge became the app’s default cross-chain route after the test ended.
Pump.fun also says the service currently adds no separate bridging fee to trades. That statement concerns an additional bridge charge; it does not establish that the underlying swaps, network transactions or execution have no costs.
Fewer Purchase Errors in the Company’s Test
Pump.fun reported purchase error rates of 0.9% for Pump Bridge and 11.2% for Relay. Using those rounded figures, Relay’s rate was approximately 12.4 times as high, while Pump Bridge’s was about 92% lower.
CoinScreamer’s calculation from the company’s published error data reproduces the rounded comparison: 896 errors in 103,089 Pump Bridge purchase outcomes, against 11,496 in 102,513 Relay purchase outcomes. An error is a failed trading outcome in this dataset, not evidence that a customer lost the entire amount being traded.
The release cites 416,669 trade outcomes overall. Its speed dataset contains 383,326 timed trades; filtering that file to purchases produces median times of 1.95 seconds for Pump Bridge and 3.88 seconds for Relay, consistent with the company’s roughly twofold speed claim.
The timing runs from tapping the trade button to receiving the app’s success notification. It is therefore an app-level execution measurement, rather than a standalone measurement of blockchain consensus finality. The data was supplied by Pump.fun; reproducing its arithmetic does not independently validate how the experiment was conducted.
What the $11,000 Estimate Means
For execution quality, Pump.fun says the gap between the spot price and the tokens received was approximately 17% smaller through Pump Bridge. The company describes this sample as 35,333 completed USDC purchases below $500.
That is a relative reduction in the execution gap, rather than a 17% discount on every token purchase. Pump.fun’s example estimates that someone making ten $500 trades each day could incur roughly $11,000 less execution loss over a year than on Relay.
The annual figure extrapolates the observed difference to a particular trading pattern. It is not a guaranteed saving, a yield or a forecast for every route and trade size. The comparison concerns activity inside Pump.fun’s app during the stated test period, rather than every transaction handled by Relay.
The launch follows Pump.fun’s addition of PreStocks tokens for trading and new coin pairings. Pump Bridge addresses how cross-chain trades are executed, a separate development from the rights or backing of assets available through the platform.
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