The "Chinese" section has been added to the Binance Futures Market Data page.

On October 21st, according to official channels, the infrastructure developer of the RGB Protocol, Bitlight Labs, released a whitepaper titled "Integrated Layer 1 and Layer 2 Architecture for Non-Custodial Bitcoin Operations." It was stated that BitLight will integrate the client-side asset validation of the RGB with Lightning Network payments in a unified non-custodial architecture. BitLight will combine L1 primitives based on Taproot with L2 execution, clearly separating signature operations from node operations to reduce risks and operating costs while maintaining the security of Bitcoin. According to market data, LIGHT broke through $2.2 and hit a new all-time high, with a 24-hour increase of 46.92%.

On October 21st, as reported by Bloomberg, large Bitcoin holders are currently transferring their wealth from the blockchain to the balance sheets on Wall Street. A new batch of ETFs is offering a means for crypto whales to incorporate their digital wealth into the regulated financial system without having to sell Bitcoin. Instead, they can operate through funds managed by major asset management companies such as BlackRock Inc. A regulatory modification this summer provided an opportunity for large investors: they can deliver Bitcoin to an ETF in exchange for shares of that fund. This is called in-kind exchanging, which is commonly used in most ETFs but was only approved for Bitcoin products in July of this year.

On October 21st, according to HTX market data, Bitcoin has rebounded and is now trading above $10,900 at $109,232, with a 24-hour decline of 1.58%.

On October 21st, as reported by The Block, following two years of development, Ark Labs, which is backed by investors such as Draper Associates, Axiom, and Fulgur Ventures, officially launched the native Layer 2 Arkade on Bitcoin for public testing. Arkade is based on the Ark Protocol specification proposed in 2023. Its launch marks the first mainnet implementation of this concept. Arkade virtualizes Bitcoin transaction layers through Virtual Transaction Outputs (VTXOs). VTXOs are off-chain representations of Bitcoin's native Unspent Transaction Outputs (UTXOs). Arkade operates without modifying Bitcoin's consensus rules and fully realizes it within the existing security framework.

On October 21st, as per official information, SharpLink declared the acquisition of 19,271 Ethereum (ETH) with an average price of $3892. By October 19, 2025, the company possesses a total of 859,853 ETH, which is approximately worth $3.5 billion.

On October 21st, according to official information, Tether has declared a strategic investment in Kotani Pay. Kotani Pay serves as an on/off-ramp infrastructure that links Web3 users throughout Africa with local payment channels. This investment is intended to facilitate African individuals and businesses in effortlessly accessing digital assets and minimizing the obstacles to participating in the global financial system.