Pumpfun (@Pumpfun) $PUMP has launched support for the Sei network (@SeiNetwork) $SEI, letting users trade Sei tokens within its app. Crosschain bridging is also available inside the app, so users do not need to leave the platform to move funds.
The integration could expand exposure for tokens in the Sei ecosystem to Pumpfun's user base.
Part of a Wider Multichain Push
Pumpfun built its business on Solana, where it became a popular platform for launching and trading memecoins. The Sei addition reflects a broader move toward a multichain model, as the app has extended trading beyond its native launches.
The move is part of a longer effort to broaden the app's scope. The Block reported that Pumpfun added support for tokens from rival launchpads such as Raydium and Meteora, as well as Wormhole-bridged wrapped Bitcoin and Ethereum. At the time, Pump said users increasingly want to trade and hold more without leaving the app.
Sei is not new to the Pump ecosystem. PumpSwap, the platform's native decentralized exchange, was previously set to support partner tokens including $SEI, alongside PENGU, APT and JUP.
What Sei Offers
Developer platform thirdweb describes Sei as an EVM-compatible, Cosmos-based Layer 1 built for trading, with sub-second finality and parallelized execution. $SEI is used for fees, staking and governance on the network.
Separately, Coinfomania reported that Sei Network passed SIP-6, enabling the Autobahn upgrade for Sei Giga, which is aimed at supporting onchain trading functions such as order placement and cancellation.
Tokens traded on Pumpfun can carry high risk, and the ability to sell depends on available liquidity in a given market. Users should assess individual tokens before trading.
Sources
The Block: Pump.fun adds support for tokens launched on rival memecoin generators
thirdweb: Sei network overview
Coinfomania: SIP-6 approved, Sei Network upgrades to Autobahn for Sei Giga
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