Odaily Planet Daily News 21Shares' parent company 21.co has launched its packaged Bitcoin product "21BTC" on the Ethereum blockchain. The company said it is working with market maker Flow Traders to launch a product that will allow customers to "feel at ease when exploring decentralized applications and new opportunities on the Ethereum blockchain." 21.co's 21BTC stores the underlying assets securely in cold wallets without the need for cross-chain bridges. (Cryptoslate)