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news.bitcoin.com Crypto Traders Push Altcoin Market Below $900B Twice in 24 Hours as Panic Deepens

A crypto sell-off dragged the aggregate altcoin market capitalization below the $900 billion threshold twice within a 24-hour window, hitting brief lows of $872 billion. Is an ‘Altpocalypse’ Imminent? Altcoins Plunge to Historic Technical Lows Bitcoin’s slide to a multi-month low Thursday erased significant market value, but altcoins bore the brunt of the sell-off as […]

news.bitcoin.com Base Network Stalls After Invalid Block Freezes Sequencer

Coinbase’s Base mainnet went down for nearly two hours Thursday after a faulty block froze the chain’s sequencer and halted all new block production. What Happened The incident began at 16:03 UTC on June 25, 2026, when Base engineers detected unhealthy block production on the network’s mainnet. By 16:52 UTC, the team had identified the […]

blockonomi.com Polymarket Hack: $3M Drained in Supply-Chain Frontend Attack

TLDR: Polymarket hack stemmed from a compromised third-party vendor that injected malicious JavaScript into the platform’s frontend. Over 11 wallets lost PUSD on Polygon; stolen funds were bridged to Ethereum and swapped into 1,893 ETH. Polymarket confirmed the breach within 15 minutes of the first public report and removed the affected dependency. Polymarket pledged full [...] The post Polymarket Hack: $3M Drained in Supply-Chain Frontend Attack appeared first on Blockonomi.

blockonomi.com SecondFi Exploit Drains 374 Cardano Wallets, Over 16 Million ADA Stolen in Coordinated Attack

TLDR: The SecondFi exploit drained 374 Cardano wallets across four attack events between June 21–23, 2026. Approximately 16 million ADA worth $2.4M was stolen by two identified attackers across three automated waves. Emergency rescue efforts secured around 129 million ADA, with a dedicated restoration fund already established. Affected wallets are permanently compromised; users must avoid [...] The post SecondFi Exploit Drains 374 Cardano Wallets, Over 16 Million ADA Stolen in Coordinated Attack appeared first on Blockonomi.

cryptobriefing.com Nicolas Pépé named Michelob Ultra Superior Player of the Match as crypto stays sidelined at 2026 World Cup

The sidelining of crypto in major sponsorships at the 2026 World Cup highlights a shift back to traditional brand marketing dominance. The post Nicolas Pépé named Michelob Ultra Superior Player of the Match as crypto stays sidelined at 2026 World Cup appeared first on Crypto Briefing.

news.bitcoin.com No Crypto Allowed: Brazil’s Public Prosecutor’s Office Tightens Vigilance on Election Funding

Brazil’s Public Prosecutor’s Office (MPF) explained that this prohibition stemmed from the pseudonymous trait of cryptocurrency, as each donation must be identified, and this requirement could be very difficult to complete with the use of these tools. Brazil’s Prosecutor’s Office Reiterates Ban on Crypto Political Donations Ahead of Presidential Election As the general elections get […]

blockonomi.com MemeCore $M Token Erases $3 Billion in Value Amid Ghost Market Cap Concerns

TLDR: MemeCore $M token dropped 75% in one day, falling from $2.92 to $0.51 with no hack or exploit. Arkham data showed zero transfers above $50,000 on its native chain for over two weeks prior. Over 90% of $M supply was held by insiders, letting a small float set the price for billions.  Spot listings [...] The post MemeCore $M Token Erases $3 Billion in Value Amid Ghost Market Cap Concerns appeared first on Blockonomi.

cryptobriefing.com Malik Tillman shines as US Men’s National Team advances in World Cup, and crypto is paying attention

The USMNT's success and Tillman's rise highlight crypto's growing influence in sports, potentially boosting digital asset adoption globally. The post Malik Tillman shines as US Men’s National Team advances in World Cup, and crypto is paying attention appeared first on Crypto Briefing.

cryptobriefing.com Ivory Coast reaches FIFA World Cup knockout rounds for first time as crypto sponsors make their own debut

Ivory Coast's World Cup success and crypto's debut highlight evolving global sports dynamics, impacting fan engagement and investment trends. The post Ivory Coast reaches FIFA World Cup knockout rounds for first time as crypto sponsors make their own debut appeared first on Crypto Briefing.

cryptobriefing.com 2026 World Cup’s expanded format means third-place teams can still advance, but only the best eight

The expanded World Cup format increases strategic complexity, making fair play and goal difference crucial, impacting team tactics and fan engagement. The post 2026 World Cup’s expanded format means third-place teams can still advance, but only the best eight appeared first on Crypto Briefing.

cryptobriefing.com Polymarket faces scrutiny over deceptive promotional videos featuring fake trades and fabricated winnings

Polymarket's deceptive marketing could trigger regulatory crackdowns, undermining trust in crypto prediction markets and affecting industry legitimacy. The post Polymarket faces scrutiny over deceptive promotional videos featuring fake trades and fabricated winnings appeared first on Crypto Briefing.

blockonomi.com Uniswap Launches No-Code Token Auction Tool to Take On Pump.fun

TLDR: Uniswap’s no-code tool lets teams launch onchain token auctions from a browser in four simple steps. The Continuous Clearing Auction spreads bids across blocks, removing bot sniping and last-second advantages.  Aztec’s CCA raised $59M from 17,000 bidders across 191 countries, clearing 60% above its floor price. Cap Labs’ $CAP auction closed 5.5x oversubscribed at [...] The post Uniswap Launches No-Code Token Auction Tool to Take On Pump.fun appeared first on Blockonomi.

cryptobriefing.com Anthropic urges Congress to strengthen AI export controls, accuses Alibaba of massive distillation attack

Strengthening AI export controls could mitigate national security risks by preventing unauthorized knowledge transfer from US models. The post Anthropic urges Congress to strengthen AI export controls, accuses Alibaba of massive distillation attack appeared first on Crypto Briefing.

cryptobriefing.com Germany’s opening goal should have been disallowed, pundits say after Pavlović high boot goes unpunished

The incident highlights ongoing concerns about VAR's reliability, potentially affecting match outcomes and trust in officiating at major tournaments. The post Germany’s opening goal should have been disallowed, pundits say after Pavlović high boot goes unpunished appeared first on Crypto Briefing.

news.bitcoin.com Vinny Lingham Predicted Saylor Would Hurt Bitcoin More Than FTX. Now He’s Explaining Why

Vinny Lingham, co-founder of Praxos Capital, told Unchained’s Laura Shin that Strategy’s financial structure is now unraveling in a way he predicted 18 months ago, and that the company may be approaching the point where every available move makes its position worse. Lingham Called It Early The co-founder of Praxos Capital, Vinny Lingham, once known […]

cryptobriefing.com Manchester City agree deal to sign Elliot Anderson from Nottingham Forest in potential British transfer record

This record-breaking transfer highlights escalating financial stakes in football, potentially intensifying future bidding wars and market dynamics. The post Manchester City agree deal to sign Elliot Anderson from Nottingham Forest in potential British transfer record appeared first on Crypto Briefing.