
Near One Warns Quantum Threats Could Worsen Without On-Chain Proof Of Ownership
Key Takeaways
- Functional quantum computers could break cryptography, enabling on-spend attacks and wallet theft.
- Near One warns quantum attacks could worsen without on-chain proof of ownership.
- Quantum threats raise concerns about private keys and wallet security.
Ownership in a Quantum Era
Near One’s layer-1 team said blockchain protocols preparing for quantum computing threats should also consider how to quickly verify ownership on-chain if funds are stolen.
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Near One chief technology officer Anton Astafiev said, “We won’t be able to tell if someone running a transaction is the rightful owner of the asset or not,” framing the core problem as one of identifying rightful control during transactions.

Astafiev added that protocols would be forced to decide “either block all assets at this moment, or enter a wild west,” as quantum risk collides with wallet security.
The push follows research by Google and the California Institute of Technology in March that functional quantum computers could arrive sooner than expected and would need far less computing power to break cryptography than previously thought.
Post-Quantum Steps Across Chains
Astafiev said NEAR developers are building a post-quantum-safe signing system for the layer-1 blockchain that secures more than $137.6 million in user funds.
He also pointed to “FIPS-204,” saying it has been approved by the US National Institute of Standards and Technology and is set to launch on testnet by the end of the second quarter.

Cointelegraph reported that the Ethereum Foundation created the Post-Quantum Ethereum team to build quantum solutions into Ethereum at the protocol level by 2029.
The same report said two of Solana’s validator clients, Anza and Firedancer, have implemented a test version of Falcon, a new post-quantum signature solution, to prepare the Solana network for future quantum threats.
In parallel, Blockstream CEO Adam Back said in April that current quantum computers are “basically lab experiments,” while recommending Bitcoin developers start looking at building quantum solutions.
Solana Market Bets
While quantum-proofing efforts play out across major networks, Bitget’s market coverage highlighted Solana’s price action and large-position activity.
“Blockchain protocols preparing for the quantum computing threat should also consider how to quickly verify ownership on the blockchain if funds are stolen, the development and research team behind the layer-1 $NEAR Protocol said”
Bitget said Solana held above $80 for thirty consecutive days and traded at $88, up 5.8% on the daily charts, with a local high of $89.
It also cited Onchain Lens for a whale move: a whale deposited $4.1 million into HyperLiquid and opened a 92,161 $SOL (2x) long position valued at $8 million.
Bitget further reported that Options Volume rose 28% to $10.7 million and Open Interest rose 7% to $5.25 billion, alongside a Long/Short Ratio jump to 1.04.
In that framing, the article suggested $SOL could flip $90 and target $95 if momentum holds, while warning that losing the $86 support level could push Solana toward $84.
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