The official XRP Ledger documentation describes built-in decentralized exchange functionality and enhancements in newer versions that can support more specialized participation models. Recent feature updates and consensus changes indicate capabilities that could facilitate restricted access or compliance-focused trading environments. Several reputable fintech news sources highlight institutional adoption of the XRPL with compliance and custody improvements specifically aimed at regulated entities, suggesting the existence of initiatives aligned with membership-controlled trading venues. Reports on partnerships with major financial institutions and tokenized fund structures reinforce the likelihood that a regulated, membership-based decentralized exchange design has been launched or enabled. There is no direct authoritative statement using the exact phrase 'membership-only decentralized exchange' in public documentation, but the combination of technical capability, institutional focus, and compliance enhancements provides strong circumstantial evidence supporting the claim. The absence of contradictory evidence from credible sources further raises confidence in the statement's truthfulness.