
Fun CEO Alex Fine predicts standalone on-ramps and bridges will go extinct as crypto apps embed payments directly. Fun processes $3B monthly, powers Polymarket deposits.
Standalone on-ramps and blockchain bridges are headed for extinction as crypto applications embed payments directly into the user experience, Fun CEO Alex Fine said in a CoinDesk interview.
Rather than forcing users through separate funding, bridging and conversion steps, Fine argued the next generation of crypto apps will make moving money onchain invisible. The shift mirrors Web2 payments, where consumers rarely think about the infrastructure behind a transaction.
"The age of on-ramps will be completely dead and the age of external bridging sites will be dead," Fine told CoinDesk. "Nobody wants to use a bridge for the purpose of using a bridge. They want to use an application."
Fun builds backend technology that connects traditional payment systems with blockchain networks. It provides APIs that let fintechs and crypto apps embed deposits, withdrawals, settlement and checkout directly into their products. The company said it powers 100% of deposits and withdrawals on Polymarket and deposit flows into Aave's largest vaults, processing more than $3 billion in monthly transaction volume. Fun has raised more than $75 million to date.
Today's crypto payments ecosystem remains unnecessarily fragmented, Fine said. Developers stitch together card processors, banking partners, crypto assets, blockchains and bridges to create funding experiences. Instead, platforms should optimize around getting users funded as quickly as possible.
"In Web2, payments are highly fungible," Fine said. "In Web3, they're much more complex because every payment method behaves differently. Teams keep rebuilding the same infrastructure over and over again instead of building unified optimized funding flows."
Companies built around converting fiat into crypto or moving assets between blockchains solve an intermediary step users never cared about, according to Fine. "People don't care about converting fiat to crypto," he said. "They care about taking an action inside an app. The conversion is just something that has to happen."
Signs that standalone on-ramp providers and bridge interfaces are losing prominence are already visible, Fine said. More applications embed native payment experiences, letting customers reuse saved credentials and complete transactions in a single click. The evolution also extends to fraud and risk management, where systems adapt based on a user's history rather than applying identical checks to every transaction.
Beyond payments, Fine pointed to prediction markets and tokenized equities as crypto's most promising growth sectors. Prediction markets today represent "perhaps 10%" of their eventual potential, he said, with broader liquidity expected to unlock markets on increasingly niche events.
"As liquidity expands, you'll see millions of potential event contracts," Fine said. "That's what ultimately makes these platforms more valuable."
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