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BlackRock Says Crypto Can Outrun the Quantum Threat — If It Moves Fast Enough

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BlackRock Says Crypto Can Outrun the Quantum Threat — If It Moves Fast Enough

BlackRock, the world’s biggest asset manager, has chimed in on the crypto-quantum debate — and is surprisingly optimistic.

The firm, which manages over $15 trillion in assets, said in its new report, Quantum Computing and Blockchains, that upgrading existing cryptography to quantum-resistant standards is a far easier task than actually building a functional quantum computer capable of breaking that cryptography. 

“In our view, PQ migration for cryptocurrencies is eminently addressable from a technical

standpoint, and the key challenge is one of timely coordination and implementation,” the report read. 

The crypto community has sounded the alarm about hypothetical advancements in quantum computers that could in the future be able to break Bitcoin’s cryptography. Some in the space — including Bitcoin developers — have started preparing for a post-quantum future by testing quantum-resistant signatures on live sidechains. 

Quantum computers do exist but make mistakes and a machine that can break Bitcoin’s cryptography currently does not exist. Bitcoin currently is the biggest computer network in existence. 

BlackRock has skin in the game after having debuted in 2024 spot Bitcoin and Ethereum exchange-traded funds. BlackRock’s Bitcoin fund had the most successful launch in the history of the ETF industry. 

BlackRock boss Larry Fink has also talked of Bitcoin being “digital gold” and an “international asset” and has spoken about how crypto networks can help tokenize everything. 

BlackRock’s views on Bitcoin 

The report said that while solutions exist for protecting Bitcoin against quantum computers — it is technically simple to upgrade — coordination is hard given the cryptocurrency’s decentralized, consensus-driven development.

BlackRock noted that about 35% of circulating Bitcoin’s supply is potentially vulnerable to certain attack types due to exposed public keys, and 11-19% may be permanently lost regardless of migration.

Along with crypto bigwigs like Coinbase, Fidelity Digital Assets, and Block, BlackRock on Thursday announced a new Bitcoin Security Consortium aimed at donating funds to engineers to help their open-source work supporting proposals like BIP-360.

The asset manager added in the report that while BIP-360 is a credible, well-designed piece of a larger puzzle, it stopped short of calling it the solution. Still, it added that Bitcoin and other crypto networks had the advantage. 

“That said, it is a much less daunting task to upgrade current cryptographic systems (including Bitcoin, Ethereum, and others) to a quantum-secure standard than it is to build a CRQC from where quantum computing progress stands today,” the report noted. 

“Thus, advantage remains decidedly with the defense, at the current juncture.”

This post BlackRock Says Crypto Can Outrun the Quantum Threat — If It Moves Fast Enough first appeared on Bitcoin Magazine and is written by Mathew Di Salvo.

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