A Bitcoin wallet using a "cold card" security method was hacked, resulting in the theft of 1,816 Bitcoins. The estimated damage is approximately $114 million, affecting over 5,200 addresses. Analysts suggest that this incident could lead to an increase in demand for custodial services and Bitcoin ETFs

Circle will officially launch the Arc blockchain mainnet on September 16th. Eleven institutions, including Visa, Mastercard, and BlackRock, will participate as validators. The company achieved a net profit of $48 million in the second quarter and reached a circulating supply of $73.3 billion for USDC

Eliza Labs founder, Shaw Walters, has announced the termination of the company's own token and the dissolution of the foundation. The foundation's remaining funds were used to cover the settlement of a lawsuit, with the company's peak market capitalization reaching $2.5 billion. While the development of open-source AI agents will continue, the company is shifting towards a token-less model

Due to a firmware vulnerability in Coldcard devices, the generation of random seeds was compromised, allowing an attacker to successfully recreate private keys. According to Galaxy Digital researchers, the extent of the damage amounts to 1,596 BTC, approximately $100 million. Companies such as Ledger, Trezor, and Foundation have emphasized the design differences between their products and called for stronger security standards across the entire industry.

The founder of ELIZAOS, the AI agent token, has officially announced the token's termination. The market capitalization plummeted from $240 million to $2.3 million, a decrease of 97%. The foundation's funds were depleted due to a class-action lawsuit settlement, symbolizing the collapse of the AI agent sector

Cold wallet hardware hacking leads to a surge in activity on the BTC network. The mempool is experiencing a backlog of 89,000 pending transactions, and there are 712,000 active addresses. The hacking incident has highlighted concerns about the security of self-custody solutions and has simultaneously increased demand on the network

Approximately 1,600 BTC were stolen through a Coldcard hacking incident. Over $100 million in losses were reported across 7,300 addresses. Users are opting to upgrade to multi-signature security instead of abandoning self-custody

A vulnerability in the Coldcard hardware wallet has resulted in the theft of 1,596 BTC. The potential losses could reach up to 2,055 BTC, equivalent to approximately 130 billion Korean won. As a result of the self-custody risks, exchange custody and ETF custody are emerging as alternative solutions

Börse Stuttgart Digital and Tradia have completed their merger. A digital asset infrastructure company with approximately 300 employees has been created. A foundation has been established to provide comprehensive digital asset services to European institutional investors.

Samsung Electronics has confirmed that at least 15 attackers exploited vulnerabilities in ColdCard devices. The attacks, occurring in three waves, resulted in damages totaling $100 million. Including the fourth wave, the total damages amount to $130 million. This incident has reignited concerns about the security of cold storage solutions, and also raises the possibility of detecting vulnerabilities related to artificial intelligence

BitGo has announced that it will replace LayerZero as the cross-chain provider for WBTC, a $7.3 billion asset, with Chainlink CCIP. This announcement brings the total migration from LayerZero to Chainlink to $1.45 billion. Following the Kelp DAO hack of $29.2 million, the trend of companies leaving LayerZero is spreading throughout the industry

Coldcard, the company behind the Coldcard hardware wallet, is urging users to move their funds due to an ongoing exploit. The total losses are estimated at approximately $11.4 million, with an additional 449 BTC confirmed to have been stolen. A firmware vulnerability that has been present since 2021 requires immediate action from users of specific models

Coldcard firmware vulnerability exploited in widespread phishing campaign, Treasure and Foundation issue warnings. Galaxy Research reports a high-confidence loss of 1,596 BTC (approximately $100 million), with a potential total loss of $130 million including the fourth wave. The vulnerability is currently active, with attackers using tactics such as disguising hardware and inducing users to install remote access tools

BlackRock has launched tokenization services for its money market funds in 15 European markets. This includes 12 tokenized share classes based on 6 funds, with a total asset under management of $31.1 billion. This move is seen as a significant step towards expanding institutional demand for Real World Assets (RWAs) and the broader adoption of blockchain-based financial infrastructure.

Coldcard hardware wallet firmware vulnerability discovered, leading to a seed generation weakness. Estimated losses amount to approximately 2,055 BTC (around $130 million), affecting over 7,700 addresses. This incident serves as a warning regarding the fundamental trust placed in the manufacturer's software, a cornerstone of self-custody

The exploitation of vulnerabilities in Coldcard wallets has resulted in theft exceeding 100 million dollars. The confirmed losses include 1,596 BTC, 7,300 addresses, and were attributed to three major attack groups. Including a fourth attack group, the total potential losses could reach 130 million dollars.

Mastercard has finalized its acquisition of BVNK, a company specializing in stablecoin infrastructure. The acquisition is valued at up to $1.8 billion, including a conditional payment of $300 million. The combination of Mastercard's global payment network and BVNK's on-chain infrastructure is expected to expand institutional stablecoin services.

Stratagem raised approximately $39.5 million by selling 1,638 Bitcoins and shares of MicroStrategy (MSTR). This capital was used to repurchase 912,143 shares of Stratagem's preferred stock for $81.2 million, and to increase the company's cash reserves to $40 million. The suspension of net Bitcoin purchases has continued for six weeks, leading to increased concerns about dilution of common stock and a decline in Bitcoin returns.

The EU will completely prohibit transactions with HTX starting August 23rd. Withdrawals after the sanctions will require individual approval from the regulatory authorities, with a deadline of 3 months. Corporate accounts are not eligible for any exceptions, leaving no legal recourse

Coldcard hardware wallet firmware bug results in $114 million in losses. A flaw introduced in March 2021 significantly reduced the seed generation pool, exposing users to AI-based guessing attacks. This incident confirmed that even air-gapped wallets are vulnerable to manufacturer firmware defects