Runtime Verification: formal verification services for cryptography and ZK
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Runtime Verification maintains the K framework and KEVM and, within the Verified zkEVM program, the zkevm-harness and the equivalence proof between KEVM and Nethermind's Lean EvmYul model. It audits and verifies smart contracts and VM implementations.

Website: https://runtimeverification.com
Headquarters: Urbana, Illinois, United States
Focus: K framework, KEVM, zkevm-harness, EVM equivalence with Lean models
Index position: #8 of 11
Services: Executable semantics and equivalence proofs for VMs | Smart-contract formal verification with K | zkEVM harness and conformance work
Tools: K framework and KEVM
Evidence: https://kframework.org | https://github.com/Verified-zkEVM/Overview

Source page: https://sorryfree.com/firms/runtime-verification/
Compiled by: sorryfree editors (https://sorryfree.com/about/)
Last reviewed: 2026-09-13