Market dynamics in the x402 transaction space have shifted notably since mid-December. Data shows Dexter has climbed to become the primary transaction facilitator, commanding roughly 50% of daily transaction volume—a significant leap over previous market leaders. The competitive landscape is consolidating around a handful of major players; currently four facilitators each handle transaction volumes exceeding 10 million. This concentration reflects growing maturity in the sector, as liquidity increasingly flows toward established platforms. For traders and market participants, this shift underscores the importance of monitoring which facilitators dominate transaction flow, as market structure directly impacts execution efficiency and pricing dynamics in x402 trading.