Walmart + Bank of America Patents. Bitcoin Gold completely vulnerable. Diamonds on the blockchain. - Weekly Recap 28 May
Walmart has filed a patent for a blockchain based marketplace.
Bank of America has been awarded a patent for a system of managing security and access in permissioned blockchains.
Altcoin ‘Bitcoin Gold’ which forked from Bitcoin back in November has been victim of a malicious double spend attack.
An interesting perspective on how you should be valuing and measuring the returns of your altcoin holdings.
Signet Jewelers, the world’s largest retailer of diamond jewelry, has joined Tracr, the diamond blockchain program being developed by De Beers Group. The project aims to ensure that the gems are not illegal “conflict diamonds”.
American Express will use the Hyperledger blockchain to revamp its rewards program.
Russian bank Sberbank CIB and the NRD, which is part of the Moscow Stock Exchange Group, will pilot the country’s first official Initial Coin Offering (ICO) using the Bank of Russia’s regulatory sandbox.
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