Harry Hwang Warns Compliant Solana Order Flow Lanes Could Concentrate Institutional Liquidity
Moneygram has deployed an active Solana validator node and joined the Solana Developer Platform (SDP). Rather than an immediate integration with its retail remittance engine, this serves as an infrastructure staging ground to master public-node challenges before exposing its core settlement ledger.
Harry Hwang, CEO of Flowra, provided a detailed analysis of the architectural realities and regulatory hurdles faced by traditional financial institutions entering permissionless consensus layers. He emphasized that Moneygram’s move is more about building open stablecoin rails with compliance and operational scale than an immediate payment settlement integration.
Hwang highlighted the tension between TradFi’s cold storage demands and Solana’s high-frequency signing requirements, noting that Solana’s Alpenglow upgrade could reduce this friction through off-chain BLS-based voting and secure-enclave designs.
More critically, Hwang warned that the growing demand for compliant order flow lanes, driven by institutional adoption of the SDP and providers like Anchorage Digital and Chainalysis, could centralize liquidity. “If compliant order-flow lanes become too dominant, real liquidity and high-quality execution may concentrate in a small number of approved routes,” he said, adding that gatekeepers could emerge in practice.
To address this, Flowra has developed a policy-based proposer (PBP) framework that allows validators to choose among multiple builders and order flow sources based on yield, toxicity, risk, and compliance criteria. Hwang also discussed the double-edged sword of maximal extractable value (MEV) for institutions, suggesting that the challenge is not whether to participate in MEV, but which forms should be allowed.
Overall, the article underscores the delicate balance Solana must strike as it attracts institutional capital while preserving its permissionless ethos.