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Stay updated on crypto wallets and self custody solutions including MetaMask, Trust Wallet, Ledger and other emerging wallets with insights on hardware and software options, seed phrase backup, multi chain storage, wallet security, Web3 integrations and the latest trends shaping digital asset management.

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Arkham on February 17: Vitalik Buterin's wallets hold over 240,000 ETH

According to Arkham, Vitalik Buterin holds more than 240,000 ETH worth about $467 million and ranks as the largest accessible individual holder. In late January 2026 he withdrew 16,384 ETH, followed by sales totaling around 2,961 ETH over three days in early February routed via CoW Protocol.

Godfrey Benjamin

Ethereum to roll out ERC-5564 stealth addresses; outlined Feb. 18, 2026

An Ethereum developer detailed how ERC-5564 enables native stealth addresses using public meta-addresses and one-time destinations to keep wallets and histories private. The design introduces viewing and spending keys, plus optional delegation for payment scanning. He also noted gas requirements for fresh addresses and potential spam-triggered scans, with sender-included ETH and filters proposed as mitigations.

CoinFello announces ETHDenver debut for onchain AI agent on February 18, 2026

On February 18, 2026, CoinFello said it will unveil its onchain AI agent during ETHDenver's opening ceremonies. Attendees get early access through BuffiBot in the ETHDenver app, which supports text and real-time voice; the agent also launches as an EIP-8004 component, and post-conference access to CoinFello will continue while BuffiBot remains event-exclusive.

AI agents trialed on real smart contract exploits after $3.4 billion in crypto hacks in 2025

Developers are deploying AI agents to monitor and secure smart contracts after crypto platforms lost over $3.4 billion to hacks in 2025. OpenAI's EVMbench now tests whether these systems can detect, fix, or even exploit live blockchain vulnerabilities. Early findings show AI is more effective at exploitation than safe remediation, raising concerns it could empower both defenders and attackers across decentralized finance.

Ether.fi to shift crypto card from Scroll to OP Mainnet, moving ~70,000 cards

Ether.fi said in a Wednesday announcement it will migrate its non-custodial ether.fi Cash card product from Scroll to OP Mainnet. Over the coming months, the team plans to move ~70,000 active cards, ~300,000 accounts and millions in user TVL, citing OP Mainnet's liquidity, broader asset access and the ability to cover gas fees.

HYLQ Strategy acquires 18,333,334 qONE in OTC deal; token launched on Feb 6, 2026

HYLQ Strategy Corp completed an OTC acquisition of 18,333,334 qONE from the Quantum Labs Foundation, totaling $100,000 inclusive of bonus tokens, per a company press release. The USDC-settled deal backs qLABS’ quantum-resistant stack on Hyperliquid; qONE launched on February 6, 2026, and qLABS highlighted the announcement on February 18, 2026.

Why Crypto Custody Is About Access and Optionality, Not Just Secure Storage

Kamilah Stevenson, host of a wealth-focused YouTube show, argues that crypto custody is less about passive storage and more about ensuring investors can act when markets or regulations shift. She contrasts retail's focus on safety alone with institutional practices that prioritize segregation, bankruptcy-remote structures, OTC execution, and tax-advantaged wrappers. The core message is that the main risk in a more regulated environment may be being locked into setups that limit movement, borrowing, or portfolio rotation when needed.

Cointelegraph by Martin Young

Trezor and Ledger customers hit by new postal phishing wave using fake QR authentication checks

On Feb. 13, cybersecurity expert Dmitry Smilyanets reported receiving a fake Trezor-branded letter demanding an "Authentication Check" by Feb. 15 or risk device restrictions, with a QR code leading to a phishing site. The scam, which mislabels Trezor CEO Matěj Žák as "Ledger CEO," targets hardware wallet users whose postal data was exposed in past breaches and attempts to trick them into entering seed recovery phrases. Similar physical letters and QR-based attacks have been reported against Ledger users since at least October last year, following multiple data leaks impacting both Ledger and Trezor customers.

Hannah Collymore

OpenEden reports DNS hijack on February 16, 2026, warning of wallet asset theft risk

On February 16, 2026, OpenEden said attackers compromised the DNS for openeden.com and portal.openeden.com, creating a phishing risk for anyone accessing those domains. The team sclaimed reserves remain verifiable via Chainlink Proof of Reserve, but users could lose assets if they connect wallets to spoofed pages. The team is investigating and advised against interacting with the sites.

Postal phishing campaign impersonates Ledger and Trezor to steal seed phrases

According to the report, scammers are mailing hardware wallet users letters that mimic Trezor and Ledger notices, pushing recipients to scan QR codes and enter recovery phrases. The messages cite urgent security checks and route to clone setup pages that accept 12-, 20-, and 24-word seeds. Hardware wallets are not compromised, but revealing a seed enables immediate wallet takeover.