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A 2011 physical Bitcoin loaded with 25 BTC was just unlocked during the $62k selloff
A Casascius coin tied to 25 BTC moved this week, converting a 2011 physical Bitcoin artifact into spendable BTC durin…
Travala debuts agentic AI travel protocol with gasless USDC payments on Base
Travala launched an agentic AI travel protocol on Base supporting gasless USDC hotel bookings and AI-assisted payment…
Visa, Brale test privacy-enabled SBC stablecoin settlement on Canton Network
Visa and Brale initiate a proof of concept testing SBC stablecoin settlement with privacy controls on the Canton Netw…
Cosmos Labs acquires block explorer Mintscan, forms Korea subsidiary to expand ecosystem
Cosmos Labs has acquired Cosmos block explorer Mintscan and formed a new Korea-based subsidiary, Cosmos Labs Korea.
Zcash was rumored to have stopped working – then it became crypto’s only winner
Zcash became the subject of a brief market scare after block explorers appeared to show that the privacy-focused bloc…
Apparent Zcash outage was a block explorer problem, infrastructure providers say
One expert said the issue was mainly with block explorers tracking the onchain activity.
Veda brings the vault stack behind Kraken DeFi Earn to Privy’s 2,000-plus developer teams
The same vault stack powering Kraken DeFi Earn and EtherFi's Liquid will be available via a self-serve API for develo…
Mt. Gox moves $739 million worth of bitcoin to two addresses: Arkham
Mt. Gox transferred a combined 10,306 BTC to an unmarked address and its hot wallet early Tuesday, according to Arkham.
Failed Ethereum ICO from 2016 just unlocked 1,003 ETH by exploiting itself
A whitehat and HongCoin's original multisig used a preserved overflow bug to reopen refunds trapped since 2016. The p…
Dev helps rescue $2 million locked in 2016 ICO contract for nine years with whitehat exploit
The developer told The Block that two of 48 eligible investors have already claimed 96.5 ETH that was unfrozen, worth…
Aztec Labs acquires ZKPassport, pledges to keep privacy protocol and iOS mobile app open-source
The Obsidion team, including co-founders Michael Elliot and Theo Madzou, will join Aztec Labs to continue developing …
Ethereum’s privacy push faces a 12-month deadline as markets reward privacy-first assets
Ethereum developers are racing to bring native privacy to the world’s largest smart contract blockchain as investor…
Tiny x402 payments expose the approval gap holding AI agents back
Agentic payment protocol x402 volume collapsed roughly 77% from its November 2025 peak of $5.15 million to $1.19 mill…
AI is speeding up the quantum threat to crypto, security experts warn
Researchers and builders believe that artificial intelligence may be accelerating the quantum timeline and forcing a …
Satoshi’s 1.1M bitcoin and millions more can be saved from quantum attack, says expert
Researchers at the privacy-centric blockchain startup say their multi-layer quantum defense will feature a soft fork …
CLEAR token tanks 48% as Everclear winds down protocol, foundation and labs unit
Everclear achieved $500 million in monthly volume, but "never developed the commercial depth," the team said on Thurs…
MoonPay announces fourth acquisition of the year with Decent, as it launches MoonPay Trade
This Decent deal comes on a wave of acquisitions by MoonPay, including DFlow and Sodot, which all support MoonPay Trade.
Bitcoin quantum computing risk centers on major exchange wallets, Glassnode data shows
Cryptocurrency exchanges are emerging as the clearest pressure point in Bitcoin’s long-running debate over quantum …
Cosmos co-founder’s new multilateral clearing startup Cycles raises $6.4 million
The round, led by Blockchange Ventures, with support from Coinbase Ventures, among others, brings Cycle's total fundi…
Syndicate Labs to wind down operations after five years, citing rollup market slump
Syndicate Labs said that the $330,000 exploit last month is unrelated to the decision to wind down operations.
Kik founder’s latest app Flipcash first to tap Coinbase’s stablecoin-as-a-service platform
Coinbase rolled out its Custom Stablecoin platform in late 2025 to enable companies to launch branded stablecoins.
The Protocol: Ethereum Foundation's high-profile departures spark fresh debate
Also: Citi on quantum computing and bitcoin, Jump Crypto’s Firedancer, and Vitalik Buterin on AI verification
Deloitte absorbs Blocknative team as crypto infra firm winds down APIs and Gas Network
The Blocknative website now returns a post noting that the firm is “now in the process of ceasing operations."
BSC’s quantum defense works. The trade-off is 40% slower transaction throughput.
BSC’s quantum-security test worked, but bigger transaction data slowed network throughput by about 40%.
Zerohash secures first EMI license under MiCA for stablecoin and brokerage services in Europe
Zerohash Europe is the first firm licensed under Europe’s flagship MiCA crypto regulation to also hold full EMI sta…
Bitcoin faces outsized quantum threat as computing breakthroughs accelerate, Citi says
The bank said accelerating advances in quantum computing are compressing the timeline for risks to crypto and broader…
US crypto ATM operator Bitcoin Depot files for Chapter 11 to wind down business
Bitcoin Depot said changing regulatory environments have made it difficult to continue its current business model.
DeFi's new front: VerifiedX bets bitcoin's next chapter is programmable, private
VerifiedX says its Bitcoin sidechain enables programmable, privacy-preserving transactions without synthetic wrappers…
THORChain exploit turns emergency chain halt into a DeFi trust test
THORChain’s suspected multichain exploit and emergency halt on May 15 has turned into another DeFi security inciden…
It’s a ‘new era’ for crypto users who ‘trade anything and everything’ as Jito goes consumer, CEO Bruder says
Jito founder Lucas Bruder told The Block that there's a new class of users coming onchain who "want to trade anything…