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#Post-quantum cryptography

35 Stories Found
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XRP’s $0.80 Opportunity or Zero-Bound Risk? Quantum Upgrade Divides Investors
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XRP’s $0.80 Opportunity or Zero-Bound Risk? Quantum Upgrade Divides Investors

Key Highlights XRPL plans to let account owners add post-quantum public keys and deactivate existing signing keys. Spot XRP ETFs recorded more than $10 million in net outflows on 9 November, their largest single-day outflow of the year. Quantum-resistant security could strengthen XRP’s long-term outlook, but weak sentiment and ETF selling continue to increase near-term ...

XRP Ledger Outlines Quantum-Proof Accounts with No Extra Fees for Users
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XRP Ledger Outlines Quantum-Proof Accounts with No Extra Fees for Users

Key Highlights: The XRP Ledger quantum-resistant signature proposal increases protected transaction storage from a baseline of 1,704 bytes to 5,331 bytes, including database overhead. Network operators will absorb the extra storage demands without passing additional base fees to end users, as transaction fees remain destroyed. Ripple and the Foundation are targeting a full quantum transition ...

Blockstream Names Falcon-1024 Top Quantum-Resistant Signature Pick for Bitcoin
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Blockstream Names Falcon-1024 Top Quantum-Resistant Signature Pick for Bitcoin

Key Highlights: Falcon-1024 outperforms Dilithium in block space efficiency, requiring 3,073 bytes for its combined public key and signature compared to Dilithium’s 5,261 bytes at Category 3. Blockstream identified significant deployment hurdles for Falcon-1024, including a 90 KB signing memory footprint, floating-point math complexity, and a lack of hierarchical deterministic (HD) wallet derivation. While Falcon ...

Ethereum Targets 2028 for Post-Quantum Transition, a Year Ahead of Schedule
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Ethereum Targets 2028 for Post-Quantum Transition, a Year Ahead of Schedule

Key Highlights: Ethereum researcher Justin Drake expressed a target to complete the network’s post-quantum and post-AI transition by December 2028, ahead of the Ethereum Foundation’s official December 2029 roadmap date. Approximately 72% of the total ETH supply is currently stored in addresses with exposed public keys, leaving them susceptible to emerging quantum computing and advanced ...

Justin Drake Targets December 2028 for Ethereum Post-Quantum Transition
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Justin Drake Targets December 2028 for Ethereum Post-Quantum Transition

Key Highlights Ethereum researchers have proposed an accelerated post-quantum upgrade path across a hard fork sequence featuring Glamsterdam, Hegotá, and the provisional I* and J* upgrades. Researcher Justin Drake’s updated “Strawmap” aims to establish quantum-resistant protections by the J* fork, potentially advancing the network’s defenses ahead of a previous 2029 projection. Core technological components like ...

Quantum Computing Poses Greater Threat to Crypto Than AI, Warns Coinbase CEO
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Quantum Computing Poses Greater Threat to Crypto Than AI, Warns Coinbase CEO

Key Highlights Advanced quantum machines running Shor’s algorithm pose a future threat to elliptic-curve cryptography, creating risks for exposed public keys across blockchains. Coinbase released a technical proposal outlining core priorities to prepare Bitcoin for post-quantum resistance, including flexible signature schemes and handling dormant coins. Global entities, including Europol and the U.S. National Institute of ...

New Quantum Model Slashes Hardware Needed to Break Bitcoin Keys by 17 Times
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New Quantum Model Slashes Hardware Needed to Break Bitcoin Keys by 17 Times

Key Highlights Research from quantum computing firm Alice & Bob indicates that Shor’s algorithm could be deployed against cryptographic systems sooner than anticipated, prompting calls for an immediate transition to post-quantum security. A modeled quantum attack on Bitcoin would currently require approximately 62 minutes—slower than the network’s 10-minute block confirmation window, yet dangerous for exposed ...

Renowned Bitcoin Advocate Nic Carter Issues Warning: “It Will Definitely Happen Within 10 Years”
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Renowned Bitcoin Advocate Nic Carter Issues Warning: “It Will Definitely Happen Within 10 Years”

Key Highlights: Venture capitalist Nic Carter has accelerated his quantum computing forecast, projecting that quantum capabilities will reach critical cryptographic thresholds within the next decade. Carter advocates for proactive Bitcoin network upgrades via a soft fork to post-quantum signatures, alongside a controversial proposal for the U.S. government to secure dormant early coins, including those belonging ...

Bitcoin and Ethereum Take Contrasting Paths to Post-Quantum Crypto Wallets
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Bitcoin and Ethereum Take Contrasting Paths to Post-Quantum Crypto Wallets

Key Highlights: Bitcoin proposal BIP-360 alters Taproot spend paths to conceal public keys, but explicitly does not introduce post-quantum signatures or protect exposed keys during transaction broadcast. Ethereum smart accounts can already verify hash-based signatures like SPHINCS+ via the EVM, though native solutions like EIP-8141 frame transactions remain in early draft and testnet stages. Hardware ...

As Tezos, Algorand, and QRL Go Quantum-Ready, Where Does Bitcoin Stand with BIP-360?
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As Tezos, Algorand, and QRL Go Quantum-Ready, Where Does Bitcoin Stand with BIP-360?

Key Highlights: Google research suggests quantum computers could break exposed Bitcoin public keys in roughly 9 minutes, threatening transactions pending in the mempool during standard 10-minute block confirmations. Over 6 million BTC—worth between $500 billion and $600 billion—sit in addresses with exposed public keys on-chain, while Bitcoin’s proposed BIP-360 upgrade offers risk reduction rather than ...

Starknet Prepares to Exit Ethereum as STRK Plunges 41%
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Starknet Prepares to Exit Ethereum as STRK Plunges 41%

Key Highlights: The Starknet community voted to study transitioning from an Ethereum Layer-2 rollup into an independent, post-quantum Layer-1 blockchain, backed by a joint StarkWare and Starknet Foundation working group. StarkWare CEO Eli Ben-Sasson argued that Ethereum’s targeted December 2029 post-quantum timeline is too late and susceptible to schedule slips, justifying Starknet’s target for 2027. ...

Starknet Unveils Falcon Challenge Aiming to Reduce Costs and Boost Performance
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Starknet Unveils Falcon Challenge Aiming to Reduce Costs and Boost Performance

Key Highlights: Starknet has introduced the Falcon Challenge to incentivize developers to optimize quantum-resistant signature verification. Gas costs for verifying quantum-safe signatures on the network currently stand at 48.4 million gas. The initiative seeks to reduce verification overhead below the existing record benchmark of approximately 26 million gas. Ethereum Layer-2 scaling network Starknet has officially ...