Rogers Communications Inc. beat analysts’ earnings expectations as its sports assets continued to provide a lift, according to Bloomberg. The company’s growing sports empire gave Rogers an additional windfall.

Cardano wallet SecondFi is winding down after attackers exploited a flaw in its transaction signing software to steal 16.1 million ADA — worth approximately $2.4 million — from 374 wallets. The service, which replaced EMURGO's Yoroi wallet, said it will not resume normal operations despite having patched the vulnerability and secured 129 million ADA before attackers could reach the broader wallet pool. The Cardano network itself was not compromised and hardware wallet users were not affected. Blockchain intelligence firm Groom Lake, hired by EMURGO, found that the main attacker was sophisticated and well-funded — with some indicators pointing to North Korea's Lazarus Group, though no attribution has been confirmed. A separate attacker targeted another set of wallets during the same period.The Attack Vector — Private Keys From Public Transaction DataThe specific vulnerability that enabled the SecondFi theft is among the most technically severe category of wallet security flaw: the ability to derive private key material from data visible on a public blockchain. SecondFi's transaction signing software contained a flaw that allowed attackers to reverse-engineer private keys from transaction data broadcast to the Cardano blockchain — meaning every transaction a user signed and submitted publicly exposed the cryptographic material needed to drain their wallet.The implications of this attack vector extend beyond SecondFi. Private key derivation from on-chain transaction data is a catastrophic vulnerability class because it operates retroactively — an attacker who identifies the flaw can derive private keys from historical transaction records, targeting wallets that signed transactions months or years before the vulnerability was discovered. The 374 wallets affected represent the users whose transaction history provided sufficient data for the private key derivation algorithm to succeed. The 129 million ADA that SecondFi secured before attackers reached it — approximately $19 million at current prices — represents wallets where the company was able to move funds preemptively after identifying the scope of the breach.The Cardano network's integrity is not in question — the flaw was in SecondFi's signing software layer, not in Cardano's protocol. Hardware wallet users were unaffected because hardware wallets perform private key operations in isolated secure elements that never expose key material to software layers, making the transaction signing vulnerability irrelevant to their security model.Lazarus Group Indicators — North Korea's Crypto Theft PatternGroom Lake's finding of Lazarus Group indicators — without confirmed attribution — places the SecondFi breach within the most significant ongoing state-sponsored cryptocurrency theft campaign in history. North Korea's Lazarus Group has been attributed to several of the largest cryptocurrency thefts on record, including the $625 million Ronin Network bridge hack in 2022, the $100 million Harmony Horizon bridge exploit, and multiple exchange and DeFi protocol attacks. The group's operational signature — sophisticated exploit development, well-funded operational infrastructure, and rapid fund movement through mixing and cross-chain bridging — matches Groom Lake's characterization of the main SecondFi attacker as sophisticated and well-funded.The presence of a second, separate attacker targeting a different set of wallets during the same period suggests either that the vulnerability was independently discovered by multiple threat actors simultaneously — possible if the flaw was visible to anyone analyzing SecondFi's transaction signing pattern — or that knowledge of the exploit was shared or sold within criminal networks before SecondFi identified and patched it.The Shutdown Decision — Why Patching Was Not EnoughSecondFi's decision to wind down rather than resume operations after patching the vulnerability reflects the specific trust dynamic of custody wallet products. A wallet service that has experienced a private key derivation vulnerability — regardless of remediation — faces an insurmountable user trust deficit: any user who signed transactions through SecondFi before the patch has no way to verify with certainty that their private key material was not captured before the fix. The only genuinely safe remediation for affected wallets is migration to new addresses with freshly generated keys — which SecondFi's planned wallet export tools for early August and zero-knowledge recovery portal for later in August are designed to facilitate.EMURGO's funding of an asset recovery wallet for affected users provides the financial backstop, but the absence of a firm distribution date reflects the complexity of verifying claims and distributing recovered funds across 374 affected wallet holders with varying ADA balances.The Broader Crypto Security Read-ThroughThe SecondFi breach adds to a pattern of 2026 wallet and bridge exploits that have collectively drained hundreds of millions from the crypto ecosystem during the same period that Bitcoin ETF outflows and macro headwinds were applying downward price pressure. Private key security at the software wallet layer — as opposed to hardware or multi-party computation custody — remains the single largest attack surface in retail crypto, and the SecondFi case represents the most severe failure mode: not a phishing attack or social engineering, but a fundamental cryptographic flaw in the signing implementation itself.For the Cardano ecosystem specifically, the loss of SecondFi — the successor to Yoroi, one of ADA's most widely used wallets — removes a significant piece of retail infrastructure at a moment when ADA's ecosystem is navigating the competitive pressures of the broader altcoin market correction.

Grupo Antolin-Irausa filed in US Bankruptcy Court for recognition of the restructuring procedure it started in Spain last month, according to Bloomberg. The Spanish auto-parts maker is seeking protection for its restructuring efforts in the US as it works through the process begun in Spain.

Arthur Hayes deposited another 1.25 million USDC into FalconX, according to Onchain Lens monitoring. According to Odaily, he has deposited a total of 3.75 million USDC into FalconX over the past six days.

According to Yonhap, GM Korea Co. management and the union reached a tentative agreement on this year's wage negotiations after 17 rounds of talks. The deal includes a 92,000 won monthly base wage increase and a bonus package worth 15 million won per worker. The tentative agreement also reportedly includes GM Korea's commitment to work toward a plan to assign new vehicle models to its South Korean plants by the third quarter of next year. Union members will vote on the proposal over two days starting Monday, after workers staged a four-hour walkout across all shifts Tuesday and a two-day partial strike last week.

BlockBeats reported on July 22 that Abraxas Capital withdrew 13,500 ETH from Aave. According to BlockBeats On-chain Detection, the amount was worth about $26 million. The firm also withdrew 1,790 ETH from a centralized exchange, according to the same monitoring data. The second withdrawal was valued at about $3.4 million.

Zilliqa said its Ledger app contains a serious vulnerability that has existed since 2019 and leaves private keys used for native ZIL transactions vulnerable to a recovery attack. According to Odaily, native transactions have been paused, and the relevant parties are developing a coordinated fix. EVM transactions are not affected.

Eternal Ltd. posted a larger-than-expected quarterly sales increase as quick commerce growth helped offset intense competition that is pressuring margins, according to Bloomberg. The company’s results suggest it has been able to sustain expansion even as the fast-delivery market remains highly competitive.

Phân tích tính dễ tổn thương của các thị trường có đòn bẩy cao và rủi ro của chu kỳ đầu tư AI toàn cầu từ góc độ chuyên môn.

Cơ quan Điều tra Liên bang Pakistan đã thành lập một đơn vị chuyên trách điều tra tiền điện tử để điều tra các vụ rửa tiền, tài trợ khủng bố và các tội phạm khác liên quan đến tài sản kỹ thuật số. Đơn vị này hoạt động dưới sự chỉ đạo của Trung tâm Chỉ huy và Kiểm soát Quốc gia, trong khi Cơ quan Quản lý Tài sản ảo Pakistan vẫn chịu trách nhiệm điều tiết lĩnh vực tiền điện tử.

KYC, stablecoin, Coinbase, cuộc chiến tài khoản: Khi các tài khoản đô la được tạo ra bên ngoài ngân hàng. Tài chính vàng: Ai càng gần tiền của người dùng thì càng gần với các nghĩa vụ pháp lý tương ứng.

Telegram sẽ ra mắt ví Gram phi tập trung tích hợp sẵn trên ứng dụng của mình, cho phép hơn một tỷ người dùng chuyển tiền điện tử tức thời, miễn phí trong khi vẫn giữ quyền kiểm soát hoàn toàn đối với tiền của họ.

Máy tính lượng tử, Bitcoin, máy tính lượng tử vẫn chưa xuất hiện, nhưng 1,1 triệu Bitcoin của Satoshi Nakamoto đã bị đặt dấu hỏi. Tài chính Vàng: Câu trả lời cho câu hỏi này không nằm ở mật mã học, mà nằm ở chính trị.

Nhà sáng lập Binance, Changpeng Zhao, đã kể lại hành trình của Binance từ khi thành lập năm 2017 đến khi trở thành sàn giao dịch lớn nhất thế giới chỉ sau 5 tháng, đồng thời chia sẻ kinh nghiệm của mình trong việc thúc đẩy phát triển nền tảng thông qua người dùng và cộng đồng.

Cuối năm ngoái, hầu hết mọi người vẫn sử dụng AI như một công cụ trò chuyện để trả lời câu hỏi, viết nội dung hoặc tóm tắt thông tin. Sau khi phiên hỏi đáp kết thúc, nhiệm vụ của AI đã hoàn thành.

Gemini, Trí tuệ nhân tạo, Gemini rớt khỏi top 10 toàn cầu (Golden Finance): Mô hình của Google đã rớt khỏi top 10.

Dự kiến ​​mainnet của Arc sẽ ra mắt vào mùa hè này, và các dự án trong hệ sinh thái của nó rất đáng để chú ý trước khi ra mắt.

Liệu HYPE có đang đối mặt với tình huống "gọi điện rồi bỏ chạy" một lần nữa với Multicoin? Tại sao Multicoin lại hành xử như vậy?