REUTERS/Dado RuvicLONDON, April 19 (Reuters) - Crypto firms have been left scrambling to find banking partners after the collapse of three crypto-friendly lenders in the U.S. last month, creating a risk their business will become concentrated in smaller financial institutions. Mainstream banks have become increasingly wary of crypto clients following a series of high-profile collapses, including the bankruptcy of major exchange FTX in November last year, and a lack of regulation. "Crypto and Web3 start-ups are telling us they simply cannot get a business bank account," said Marcus Foster, head of crypto policy at Coadec, a body representing UK start-ups. A spokesperson for ING said the bank does not "target or focus actively on crypto firms" so its exposure is "very limited." But for smaller crypto start-ups, securing a banking partner could be more difficult, said Ricardo Mico, the U.S. CEO of Banxa (BNXA.V), a payment and compliance infrastructure provider for crypto.

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