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#blockchain-security News & Analysis

92 articles tagged with #blockchain-security. AI-curated summaries with sentiment analysis and key takeaways from 50+ sources.

92 articles
CryptoBearishCoinDesk · Apr 217/10
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Coinbase advisory board says quantum computing threat is on the horizon, crypto needs a plan

Coinbase's advisory board has released a 50-page report warning that quantum computing poses a significant future threat to blockchain security, despite current systems remaining safe today. The analysis emphasizes that the cryptocurrency industry must begin developing quantum-resistant solutions immediately rather than waiting for fault-tolerant quantum computers to emerge.

Coinbase advisory board says quantum computing threat is on the horizon, crypto needs a plan
CryptoBearishU.Today · Apr 217/10
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RippleX Researcher: Quantum Threat Is Getting Closer

RippleX researcher Aanchal Malhotra warns that the cryptocurrency industry faces an accelerating quantum computing threat with a rapidly closing preparation window. The warning highlights the urgent need for blockchain networks to implement quantum-resistant cryptography before quantum computers become capable of breaking current encryption standards.

CryptoBullishCrypto Briefing · Apr 207/10
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Ripple launches quantum readiness roadmap for XRP Ledger, targets full transition by 2028

Ripple has announced a quantum readiness roadmap for the XRP Ledger with a target completion date of 2028, positioning the blockchain to withstand future quantum computing threats. This proactive approach could establish industry standards for post-quantum cryptography and demonstrate leadership in long-term blockchain security infrastructure.

Ripple launches quantum readiness roadmap for XRP Ledger, targets full transition by 2028
$XRP
CryptoNeutralCoinTelegraph · Apr 207/10
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The quantum gap: Why Bitcoin and Ethereum are taking different paths on security

Bitcoin and Ethereum are adopting divergent security strategies to address future quantum computing threats to their cryptographic systems. While the approaches differ in implementation and timeline, both blockchains recognize the critical need to upgrade their security infrastructure before quantum computers become powerful enough to compromise current encryption standards.

The quantum gap: Why Bitcoin and Ethereum are taking different paths on security
$BTC$ETH
CryptoNeutralCrypto Briefing · Apr 197/10
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Crypto thefts hit $3.4B in 2025, North Korea responsible for 60%

Cryptocurrency thefts reached $3.4 billion in 2025, with North Korea attributed to approximately 60% of the total stolen amount. Despite the significant security concerns and potential for regulatory crackdowns, market sentiment remains bullish, suggesting investors view the crypto ecosystem as resilient to these emerging threats.

Crypto thefts hit $3.4B in 2025, North Korea responsible for 60%
$BTC
DeFiBearishBlockonomi · Apr 177/10
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Rhea Finance Hack Shakes DeFi as $7.6M Drained Through Fake Liquidity Trap

Rhea Finance suffered a $7.6 million exploit through a sophisticated attack involving fake token contracts and manipulated liquidity pools that deceived the protocol's Oracle mechanisms. The attackers extracted funds by creating artificial liquidity traps, prompting Rhea Finance to pause all contracts while investigating the incident with security partners.

CryptoBearishU.Today · Apr 157/10
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Cardano Founder Questions Bitcoins Post Quantum Defense Plan

Cardano founder Charles Hoskinson has publicly questioned Bitcoin's post-quantum cryptography defense strategy, reigniting debate about whether the leading cryptocurrency is adequately preparing for threats posed by quantum computing advancement. This clash between two major crypto figures highlights fundamental disagreements about timeline urgency and technical implementation approaches.

$BTC$ADA
AI × CryptoBearishBitcoinist · Apr 147/10
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Crypto Security Faces New Test As Rogue AI Agents Emerge

UC researchers discovered that autonomous AI agents operating within crypto infrastructure can be exploited to drain wallets, with a proof-of-concept attack successfully siphoning funds from a test wallet connected to third-party AI routers. While the immediate financial loss was minimal, the vulnerability exposes a critical security gap in AI-assisted cryptocurrency systems as these agents become more prevalent.

Crypto Security Faces New Test As Rogue AI Agents Emerge
$ETH
CryptoBearishCoinTelegraph · Apr 137/10
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Musician loses $420K Bitcoin 'retirement fund' via fake Ledger app

A musician lost approximately $420,000 worth of Bitcoin after downloading a counterfeit Ledger hardware wallet application. Blockchain analyst ZachXBT confirmed the stolen 5.9 BTC was transferred to KuCoin deposit addresses, highlighting the ongoing security risks users face from sophisticated phishing schemes targeting cryptocurrency holders.

Musician loses $420K Bitcoin 'retirement fund' via fake Ledger app
$BTC
CryptoNeutralBitcoinist · Apr 107/10
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Crypto Victims Relieved – Or Too Late? What Operation Atlantic Really Means

Operation Atlantic represents a coordinated law enforcement and crypto industry initiative to dismantle fraud schemes and approval-phishing attacks in near real-time. This rare collaborative effort aims to block scammers before stolen funds move irreversibly on-chain, marking a significant shift in how authorities tackle crypto crime.

Crypto Victims Relieved – Or Too Late? What Operation Atlantic Really Means
AI × CryptoBullisharXiv – CS AI · Apr 77/10
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LOCARD: An Agentic Framework for Blockchain Forensics

Researchers introduce LOCARD, the first agentic framework for blockchain forensics that uses AI agents to conduct dynamic investigations rather than static analysis. The framework successfully traced complex cross-chain transactions in a dataset of over 151k real-world forensic records, demonstrating its effectiveness on laundering patterns from the Bybit hack.

CryptoBearishCrypto Briefing · Apr 77/10
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Alex Pruden: Quantum computing threatens elliptic curve cryptography, advancements could lead to utility-scale systems by decade’s end, and the urgent need for post-quantum security solutions | Unchained

Alex Pruden warns that quantum computing advancements pose a significant threat to elliptic curve cryptography used in blockchain systems. Utility-scale quantum systems could emerge by the end of the decade, creating an urgent need for post-quantum security solutions to protect cryptocurrency infrastructure.

Alex Pruden: Quantum computing threatens elliptic curve cryptography, advancements could lead to utility-scale systems by decade’s end, and the urgent need for post-quantum security solutions | Unchained
AI × CryptoBearishCoinDesk · Apr 57/10
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AI is making crypto's security problem even worse, Ledger CTO warns

Ledger CTO Charles Guillemet warns that artificial intelligence is exacerbating cryptocurrency security vulnerabilities by making hacks more affordable and efficient to execute. The development is forcing the crypto industry to fundamentally reconsider existing security frameworks and protection mechanisms.

AI is making crypto's security problem even worse, Ledger CTO warns
CryptoBearishBlockonomi · Apr 57/10
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Bitcoin Faces Quantum Computing Threat: Can Crypto Survive the 9-Minute Attack?

Google research suggests quantum computers could potentially crack Bitcoin's encryption in just 9 minutes, putting approximately 6.5 million BTC at risk. Cryptocurrency developers are actively working on quantum-resistant solutions to protect against this emerging technological threat.

$BTC
CryptoNeutralCoinDesk · Apr 57/10
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Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain

Bitcoin developers are actively working on quantum-proofing initiatives for the world's largest blockchain network as quantum computing threats evolve from theoretical to practical concerns. The $1.3 trillion Bitcoin network faces potential security vulnerabilities that require proactive cryptographic upgrades to maintain its integrity against future quantum attacks.

Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain
$BTC
CryptoNeutralcrypto.news · Mar 267/10
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FHE and the Quantum Threat: Why homomorphic encryption is built for the Post-Quantum era

The article discusses how Fully Homomorphic Encryption (FHE) could protect cryptocurrency networks from quantum computing threats that could potentially cripple Bitcoin and other blockchain systems. It explores quantum-resistant encryption solutions as a critical preparation for the post-quantum era when current cryptographic methods may become vulnerable.

FHE and the Quantum Threat: Why homomorphic encryption is built for the Post-Quantum era
CryptoBearishCoinTelegraph · Mar 267/10
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Bitcoin’s quantum-resistance lag may become Ethereum’s bull case: Nic Carter

Crypto entrepreneur Nic Carter suggests Bitcoin developers are lagging behind Ethereum in implementing quantum-resistance measures. This technological gap could potentially favor Ethereum as quantum computing threats become more realistic concerns for blockchain security.

Bitcoin’s quantum-resistance lag may become Ethereum’s bull case: Nic Carter
$BTC$ETH
AI × CryptoBearishDecrypt · Mar 257/10
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Google Sets 2029 Deadline to Deal With Quantum Threat—Is It a Problem for Bitcoin?

Google has set a 2029 deadline to implement quantum-resistant encryption across its systems in response to the growing quantum computing threat. This development raises concerns about Bitcoin's vulnerability to quantum attacks, as the cryptocurrency may not have adequate time to implement similar protections.

Google Sets 2029 Deadline to Deal With Quantum Threat—Is It a Problem for Bitcoin?
$BTC
AI × CryptoBullisharXiv – CS AI · Mar 177/10
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Benchmarking Zero-Shot Reasoning Approaches for Error Detection in Solidity Smart Contracts

Researchers benchmarked state-of-the-art LLMs for detecting vulnerabilities in Solidity smart contracts using zero-shot prompting strategies. The study found that Chain-of-Thought and Tree-of-Thought approaches significantly improved recall (95-99%) but reduced precision, while Claude 3 Opus achieved the best performance with a 90.8 F1-score in vulnerability classification.

🧠 Claude
CryptoBullishBlockonomi · Mar 157/10
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Vitalik Buterin: Proof-of-Stake Is More Secure and Resilient Than Proof-of-Work

Vitalik Buterin argues that Ethereum's Proof-of-Stake consensus mechanism is more secure than Proof-of-Work, requiring over $80 billion in ETH to successfully attack the network. The system includes automatic slashing mechanisms that burn validators' coins for malicious behavior and community governance options to counter censorship attacks.

$ETH
CryptoNeutralBitcoinist · Mar 77/10
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Bitcoin Faces A New Quantum Era As Giant Computing Facility Breaks Ground

A CoinShares report reveals that only 10,230 Bitcoin out of nearly 20 million in circulation are currently vulnerable to quantum computing attacks. This finding comes as quantum computing facilities continue to expand, raising questions about Bitcoin's long-term security against quantum threats.

Bitcoin Faces A New Quantum Era As Giant Computing Facility Breaks Ground
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