LONDON, April 28 (Reuters) - Mastercard (MA.N) will expand its cryptocurrency payment card programme by seeking more partnerships with crypto firms, the company's head of crypto and blockchain said, even as the sector comes under closer scrutiny from regulators and banks grow wary. Mastercard has already partnered with crypto exchanges including Binance, Nexo and Gemini to offer crypto-linked payment cards in some countries. "We have dozens of partners around the world who offer crypto card programmes and they continue to expand," Raj Dhamodharan, Mastercard's head of crypto and blockchain, told Reuters on Thursday. Banks have become wary of crypto clients after a number of big crypto firms collapsed last year, including the bankruptcy of major exchange FTX. Asked if Mastercard is considering imposing restrictions on the amount of money that could be transferred to crypto exchanges using its payments network, Dhamodharan said, "We're not here to pick winners.

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