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Overview
Halborn is a blockchain security company founded in 2019 and headquartered in Miami. It provides smart contract audits, advanced penetration testing and security advisory to exchanges, layer-one networks and financial institutions. The firm is known for offensive security work that identifies vulnerabilities in node clients and wallet software as well as contracts.
News
Explained: The Trezor/ShipMonk Breach (August 2026)
In August 2026, Trezor was the victim of a supply chain attack. A breach of the hardware wallet company's providers resulted in the exposure of the shipping addresses and other personal data of about 14,000 of its customers.Inside the BreachThe Trezor hac
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Explained: The Harmony ONE Hack (August 2026)
In August 2026, Harmony, the Layer-1 that supports the ONE token, was the victim of an unauthorized minting attack. The attacker created an estimated 4 billion ONE tokens worth an estimated $3.2 million in an empty-block minting exploit.Inside the AttackT
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Case Study: Securing a First-of-Its-Kind Liquidity Layer on the Canton Network for Tradecraft
Halborn case study: Securing a First-of-Its-Kind Liquidity Layer on the Canton Network for Tradecraft
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The Top Oracle Manipulation Hacks in DeFi
Halborn recaps the top oracle manipulation hacks in DeFi history.
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Explained: The Coldcard Hack (July 2026)
Starting on July 30, 2026, the wallets of users of the Coldcard hardware wallet began being drained. The attackers took advantage of a bug in the cold wallet's key generation code, which allowed them to reconstruct private keys and steal an estimated $130
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