Three X posts discuss stablecoins and related crypto developments: Agentics launches a $20,000 contribution campaign to build a credit layer for AI agents to access capital based on performance; Selini Capital partners with Circle on Arc mainnet to provide institutional liquidity for fiat stablecoins and tokenized assets; and the U.S. House Ways and Means Committee approves the Digital Asset Tax Certainty Act addressing crypto transactions, stablecoins, mining, and staking.