Ripple made a $4-5 billion bid for Circle Group, issuer of USDC stablecoin, which was rejected.Ripple's stablecoin RLUSD has a market cap of $317 million compared to USDC's $61.5 billion.XRP Ledger recently introduced Ethereum-compatible smart contracts via its EVM sidechain.Ripple's acquisition of prime-brokerage Hidden Road and its increasing influence in the crypto sector are notable developments.