Bitcoin Multisig Security Options Are Expanding

Today, 13% of Bitcoin is protected by multisig technology. A growing minority of Bitcoin users employ a multi-signature wallet, which uses more than one private key to access the wallet. By using this approach, wallets are much less vulnerable to security breaches, as no single party possesses all the information necessary to decrypt the wallet. Princeton professor Arvind Narayanan tweeted about the significance of the multisig uptick: More cryptocurrency wallets offering multisig support. More Bitcoin wallet providers have recently enabled multisig functionality, as it seems to be headed....

Coinbase Vault, first revealed a few months ago, has now implemented a multisig feature that has been demanded far and wide by Coinbase's international customer base. In one fell swoop, Coinbase has set themselves apart from their competitor, Circle, in a big way. Today, Coinbase announced their Multisig Vault, which allows users to control their own private keys on Coinbase. This means that even in the event of Coinbase's untimely demise, bitcoins "stored" in the Coinbase multisig vault would still be accessible to the user. Users would be able to use open source tools, like this one, to....

Times have been busy in the bitcoin wallet world lately. Two hardware wallets - Trezor and BTChip - have finally shipped, and wallet security continues to mature. In spite of all this, though, people who should know better are still being robbed because they fail to add more protection to their bitcoin holdings. To tackle the issue of bitcoin wallet vulnerabilities, it's important to look at the security protections that are currently available for wallets, and to explore what work still needs to be done in the future. Multisig. 2014 was to be the year of multiple signatures (multisig),....

Bitcoin payments processor BitPay has announced that Copay, its multisig bitcoin wallet, is set to leave beta today. Copay, originally known as Cosign, aims to combat bitcoin wallet thefts by offering customisable security for businesses and individuals. Like other multisig products, a predetermined number of parties must 'sign off' each Copay transaction before it is broadcast to the bitcoin network. The app, which has been in development for over a year, is fully open-source and able to be

Industry insiders have pointed out the flaws inherent in multisig security as a way to protect funds in smart contracts, and have offered various alternative solutions. The recent exploit on Harmony’s Horizon Bridge revealed the inherent flaws with multisig admin keys that leave projects and their users “one small slipup” from deep trouble.Two crypto project leads expressed their concern that the expansion of the multi-chain ecosystem could be hampered by the use of multisig contracts due to the dangers they pose with bridges keeping crypto funds safe. Multisig refers to the requirement of....