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Algorithm Analysis: Halborn
Halborn is a well-identified, venture-backed security firm (Series A of $90M led by Summit Partners) with named founders and CEO, a C-Corp entity, and a Miami headquarters. It shows concrete Canton work, including the Alpend Daml money market assessment with live sandbox testing, the Tradecraft liquidity layer case study, and privacy-model research. The main gaps are the absence of a docs site, whitepaper and legal name, but the substantive description and public track record make it a credible Canton security provider.
Last analyzed: Oct 28, 2026
Halborn on Canton
Security firm that audited Alpend's Daml money market and Tradecraft's liquidity layer on Canton, and publishes research on Canton's privacy model
About Halborn
Halborn is a blockchain and Web3 cybersecurity firm founded in 2019 by Rob Behnke and Steven Walbroehl and based in Miami, which raised a $90 million Series A led by Summit Partners in July 2022 with Brevan Howard, Castle Island Ventures and Digital Currency Group. It offers smart contract assessments, code security audits, penetration testing, red team exercises, Layer 1 assessments, custody and key management assessments and security advisory, and says it has protected $1 trillion in value across more than 3,000 assessments. On Canton, Halborn completed a smart contract assessment of Alpend's alpend-protocol repository, a privacy-first, multi-asset money market written in Daml, with selected flows also run against a live Canton sandbox to confirm real-ledger behavior, announced on August 24, 2026. It also published a case study on securing Tradecraft's first-of-its-kind liquidity layer on the Canton Network, and a security practitioner's analysis of Canton's need-to-know privacy model.
Features
What the product does
Canton smart contract assessments
Audits Daml applications on Canton, including Alpend's privacy-first money market.
Live sandbox testing
Runs selected flows against a live Canton sandbox to confirm real-ledger behavior matches simulations.
Tradecraft liquidity layer case study
Published a case study on securing a first-of-its-kind liquidity layer on the Canton Network.
Canton privacy research
Publishes analysis of Canton's need-to-know privacy model from a security practitioner's view.
Full-stack security services
Penetration testing, red team exercises, Layer 1 assessments and security advisory beyond smart contracts.
Custody and key management assessments
Independent reviews of digital asset custody and key management systems.
Halborn FAQ
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