Why we left a public chain for a permissioned DLT
After 18 months on a public L2, we migrated settlement to a consortium chain. Throughput jumped 40× and operational costs fell to near-zero.
Rise Engineering
Platform & infrastructure
Public L2s are excellent for open participation and rapid prototyping. They're less excellent when your settlement window is measured in seconds and your counterparties are a closed set of sponsor banks.
We moved to a permissioned ledger with deterministic finality and explicit validator governance. Settlement batches that took minutes now confirm in sub-second windows, with predictable fee economics.
Migration wasn't a lift-and-shift. We rebuilt our state model around event sourcing, dual-wrote for six weeks, and ran shadow reconciliation until variance hit zero.
The takeaway for fintech infra teams: pick chain topology from operational requirements, not conference keynotes.
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