Representations of cryptocurrencies are seen in this illustration taken November 10, 2022. REUTERS/Dado Ruvic/Illustration Purchase Licensing Rights, opens new tabJan 9 (Reuters) - Stablecoin firm Rain said on Friday it has raised $250 million in a funding round led by ICONIQ, valuing the company at $1.95 billion, as investor interest in the crypto sector continues to grow.Stablecoins are cryptocurrencies designed to hold a steady value by being pegged to assets such as the U.S. dollar. They are...