RISC Zero vs backrun

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

RISC Zero compared with backrun
Detail	RISC Zero	backrun
What it does	High-performance zero-knowledge virtual machine for verifiable computation	Private transaction RPC with rebates for Ethereum and BNB Chain
Stage	Established	MVP
Founded	2021	Not given
Based in	Not given	Not given
Pricing model	Not given	Free
Pricing	Not given	Not given
Key features	Supports Rust, C, and C++ programming languages High-performance zero-knowledge proofs Verify computation results faster than computing them Works across multiple blockchains Open-source zkVM platform	Private mempool routing Automatic rebate payments Sandwiching protection Frontrunning prevention Custom RPC configuration No signup required On-chain rebate transfers Searcher auction mechanism
What makes it different	First verifiable computation system supporting Rust, C, and C++ Cost-effective zero-knowledge proofs Maintains privacy while proving compliance	Returns arbitrage profit to users instead of bots No private broadcast to mempool prevents frontrunning Works with any wallet via standard RPC endpoint Rebates settle in the same block as transaction Beta live on both Ethereum and BNB Chain
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	65 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	13	0
Citation Flow (Majestic)	36	0
Referring domains (Majestic)	683	0

4 details filled in for both companies.