Home\Ethereum News\Winklevoss Twins Secure Patent For Cold Storage System By NixCoin Sep 08, 2018 Winklevoss Twins Secure Patent For Cold Storage System Ethereum News No comments The brothers are eyeing vaults for offline storage of crypto assets. Contents hide 1 Share this: 2 Related Share this:TwitterFacebookLinkedInRedditTumblrPinterestMorePrintPocketTelegramWhatsAppSkype Related Share Tweet Share Share Pin it Eth Ethereum Related Posts Ethereum Posts Clear Breakout as Investors Eye Price Discovery Fidelity Plans Hiring Spree to Expand Crypto Services to Include Ethereum Trading and Custody About The Author NixCoin