The problem Orderly solves is real. Dozens of teams want to offer perpetual trading, each builds a front end, and each ends up with a half-empty book. Orderly gives them all the same book: one liquidity pool, many interfaces, with brokers earning a share of the fees they generate.
How it works
An off-chain matching engine handles orders, with settlement on-chain and support for access from several networks. Front ends — 'brokers' in Orderly's model — integrate the API and present their own interface, fee tier and branding. Base fees are around 0.03% taker, with each broker able to add its own markup, so the price you pay depends on which interface you use rather than on Orderly alone.
The accountability question
This structure creates a genuine ambiguity. Your relationship is with the front end; your funds settle through Orderly's contracts; the matching engine is operated by Orderly off-chain. If a fill is disputed or an interface misbehaves, it is not obvious who owns the problem. For a retail user that ambiguity is worth pricing, and it is the main reason transparency scores 6.5 here.
Record and risk
No exploit of the settlement contracts, audits in place, and continuous operation across several chains. The concentrated risks are the off-chain engine, which cannot be independently verified in real time, and broker quality, which varies widely across the front ends that integrate it.
Who should use Orderly
Traders who like a specific front end built on it, and builders who want to launch a venue without bootstrapping liquidity. If you are choosing purely on execution, go to a venue that owns its own book so that accountability sits in one place.