March 3 (Reuters) - Silvergate Capital Corp (SI.N) said on Friday it made a "risk-based decision" to discontinue the Silvergate Exchange Network, its crypto payments network, two days after the digital asset-focused bank raised doubts about its viability. "Effective immediately Silvergate Bank has made a risk-based decision to discontinue the Silvergate Exchange Network (SEN). The Silvergate Exchange Network, one of the bank's most popular offerings, enabled round-the-clock transfers between investors and crypto exchanges, unlike traditional bank wires, which can often take days to settle. Silvergate shares on Friday slumped more than 2% in after-hours trading, after closing up 0.9% at $5.77 in regular trade. Stablecoin issuers Paxos and Circle, Cboe’s digital asset exchange, and crypto exchanges Bitstamp and Gemini also suspended their partnerships with Silvergate.

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