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Solana officially stated that it will vigorously promote the construction of fully on-chain perpetual contracts, aiming to become the world's strongest on-chain financial derivatives infrastructure

Solana's official announcement "Building Fully On-Chain Perpetual Contracts on Solana" aims to vigorously promote the ecological construction of fully on-chain perpetual contracts (Perps) in the future, with the goal of making Solana the world's strongest on-chain financial derivatives infrastructure. Currently, the trading volume of crypto derivatives is mainly concentrated on centralized trading platforms or hybrid models that rely on off-chain matching engines, which Solana believes is a transitional phase. It hopes to make a truly fully on-chain derivatives market a reality through the characteristics of high-performance blockchain—where all processes such as order submission, price updates, matching, and clearing are completed on-chain, while maintaining institutional-level speed and low costs.The Solana Foundation will provide funding, technical support, and resource allocation, focusing on supporting projects that meet the following criteria: fully on-chain execution, price discovery based on real bilateral liquidity (rather than purely pool pricing), Solana priority with revenue flowing back on-chain, teams with derivatives experience, and core code being open source. It also welcomes the co-construction of surrounding infrastructure such as front ends, aggregators, vaults, and market-making tools.

The Brazilian central bank requires cryptocurrency service providers to undergo financial audits and tightens licensing rules

According to Bits.media, the Central Bank of Brazil has tightened the licensing rules for virtual asset service providers, requiring them to undergo independent financial audits before obtaining operational licenses starting June 1. The auditing firms must not only examine the company's financial status but also review its compliance with anti-money laundering and counter-terrorism financing regulations, including whether the platform separates its own funds from customer assets, its risk management practices, and employee training. Auditors must be registered with the Brazilian Securities Commission. Cryptocurrency exchanges, brokerage firms, and custody services applying for a license for the first time must comply with these requirements from the start of the registration process, and companies that already hold licenses must also pass independent audits when renewing.Brazil first clarified in legislation in 2022 that virtual asset services are regulated by the central bank, establishing a category for licensed virtual asset service providers in November 2025. Additionally, Brazil recently imposed a complete ban on 28 betting and prediction market platforms, including Polymarket and Kalshi, on the grounds that they did not comply with local derivatives trading requirements. Starting October 1, Brazilian electronic foreign exchange providers will be prohibited from using cryptocurrencies for international remittances.

The Japanese Liberal Democratic Party's parliamentary alliance submitted a Web3 policy proposal, calling for the inclusion of blockchain in the national strategy

The Liberal Democratic Party's Blockchain Promotion Parliamentary Alliance in Japan submitted a policy proposal to Finance Minister Katsuyuki Kitayama, calling for the clear inclusion of blockchain and Web3 in the national strategy. The proposal covers multiple areas including tax reform, cryptocurrency ETFs, leveraged trading regulation, responses to unregistered operators, cryptocurrency strategy, and trade logistics. Among them, the proposal suggests further research on the choice mechanism for "declaration separation taxation" and "withholding separation taxation" for crypto assets, and explores the tax treatment methods for exchanges and inheritance of crypto assets.In terms of derivatives regulation, the proposal believes that the current 2x leverage limit for individual cryptocurrency trading is too low and suggests gradually increasing the leverage level in conjunction with margin management systems. At the same time, the proposal also calls for a clear positioning of the cryptocurrency ETF system and strengthening law enforcement cooperation with overseas regulatory agencies. Katsuyuki Kitayama stated that he will actively promote the construction of related systems, including facilitating the implementation of cryptocurrency ETFs and researching a new tax system to be implemented in January 2028.
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