MGBX to Launch RAMUSDT and DJTUSDT Perpetual Contracts

The Brazilian central bank has partnered with Hypernative to develop a cryptocurrency threat warning system, providing attack identification, response, and fund tracking support for banks and cryptocurrency exchanges. In July 2025, cybercriminals used a C&M software vulnerability to steal $180 million, which prompted the Brazilian central bank to accelerate system construction. According to Bitcoin.com News, Regina Pedroso, Executive Director of ABToken, stated that the system will be integrated in the next two weeks, with Foxbit and Mercado Bitcoin participating in the implementation. Brazil will also implement 24-hour preventive detention measures for cryptocurrency transfers exceeding $10000 in a single or cumulative day.

According to Onchain Lens monitoring, Chainlink added 92000 LINK worth approximately $1.1 million to its strategic reserve yesterday. Over the past 30 days, Chainlink has increased its holdings by 598300 LINK, valued at approximately $5.62 million. Currently, it holds a total of 5.67 million LINK, valued at approximately $66.44 million.

According to the monitoring of AI, an on chain analyst, entities related to Bitcoin have long 20000 ETH with a margin of $26.88 million. The entity previously made a profit of $55.095 million through multiple orders, and now has accumulated $49.98 million in ETH through three new addresses, with an average opening price of $2485. After the merger, it becomes the seventh largest position in Hyperliquid ETH. The relevant addresses are entities related to bits (0xa9de... e049, 0x0c5d... 6b3, 0xd9e7... 4Ff).

[OneKey Reproduces Transaction Replacement Vulnerability in Older Version of Ledger Ethereum App in Laboratory] According to Cointelegraph, the OneKey security team has successfully reproduced the transaction replacement vulnerability in version 1.22.1 of the older Ledger Ethereum app in a laboratory setting. This vulnerability allows attackers to replace pending transactions during user review, with the condition that they control the communication between the device and the host. Ledger introduced application-level protection in the Ethereum app version 1.22.2 released on August 13 and resolved the underlying issue in Secure SDK 26.6.1 on August 21. Ledger stated that the vulnerability did not result in any loss of user funds.

Raza, co-founder and CEO of Scroll, stated that the universal L2 is outdated and Scroll will transform into a private L2 serving AI agents. Raza believes that universal positioning is no longer a secure choice and L2 needs to move towards specialization. Raza acknowledges that DeFi will no longer exist on Scroll after the transformation, and mentions that Aave has announced the orderly closure of its deployment on multiple chains such as Scroll. The core of Scroll's new direction is Scroll Compass, and the team hopes to make an early and specific choice.