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Open source, cheap and secure hardware wallet.

COLDCARD comes from Coinkite, the maker of OPENDIME, a hardware wallet for Bitcoin that can create offline transactions.

Perpetual Protocol launches USDC-DOT pool: On January 18th, the DeFi derivatives protocol Perpetual Protocol (PERP) officially announced the launch of the USDC-DOT pool. [2021/1/19 16:29:36]

Harvest, a cross-chain currency market based on Kava, officially changed its name to HARD Protocol: According to the official announcement, Kava officially renamed its cross-chain currency market application,, to HARD Protocol, to prevent users from confusing it with Harvest Finance, which was maliciously arbitraged by hackers .

Kava is a cross-chain DeFi platform that provides mortgage lending for mainstream digital currencies. HARD Protocol is a cross-chain cryptocurrency market released based on the Kava blockchain, which supports BTC, XRP, BNB, BUSD, KAVA and USDX assets such as borrowing and mining to earn income. [2020/10/30 11:15:02]

The founders of Ocean Protocol appeared in the documentary "Digital Future" produced by the German-French public television station ARTE: Bruce Pon and Trent McConaghy, the founders of the decentralized data sharing protocol Ocean Protocol, appeared in the documentary "Digital Future", a German A documentary focusing on blockchain and technological innovation produced by the French public TV station ARTE. The film is currently available in 6 languages: English, French, German, Spanish, Polish and Italian. A week after the premiere, ARTE will offer viewers outside Germany and France the opportunity to watch the show for free on Saturday 5 September. [2020/8/31]


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Golden Observation丨Find the crux of complex transactions that shackle Bitcoin? The answer could be: hardware

Golden Finance Blockchain, September 14th Jameson Lopp, co-founder and chief technology officer of cryptocurrency custody company Casa.