The collaboration adds configurable compliance checks during block construction, giving regulated Solana validators tools to screen wallets and network-level risk signals without imposing network-wide rules.
Flowra said it is working with compliance infrastructure provider Honeypot to add validator-level sanctions and risk screening to Solana through its Programmable Block Policy framework. The setup lets institutional validators apply customizable rules over which transactions and bundles are included during block construction, combining Honeypot’s compliance intelligence with Flowra’s validator infrastructure. The initial rollout supports sanctions-related screening, including wallet addresses linked to sanctioned entities, alongside network-level indicators such as VPNs, proxy services and Tor exit nodes. Flowra said the design is meant to support more enterprise compliance providers over time, giving validators flexibility to integrate different tools as regulatory expectations and institutional participation develop. The companies are targeting a growing segment of institutional participants that now extends beyond exchanges and custodians to staking (locking crypto to earn rewards) providers, infrastructure operators and professional validators. Rather than imposing network-wide enforcement, Flowra’s model leaves the decision to each validator, allowing them to choose whether to use compliance policies, which provider to integrate and how to configure transaction selection rules. That approach brings compliance checks into the validator workflow during block building instead of only before transactions reach the chain. Flowra CEO Harry Hwang said the aim is to give regulated operators controls many expect while preserving openness by letting individual validators decide how to operate. The companies said the initial focus will be sanctions screening, wallet screening and auditability for regulated institutions, with more technical features and integrations expected as implementation advances.