Tech 3 October 2018

Erik Gibbs

Cash-ID project utilizes Bitcoin BCH for online identity verification

One of the most common complaints about the Internet is that many sites and web services want users to register, turning over valuable private information. While this, in itself, may not be a problem, what happens with the information next is. Routinely, the data is sold or, all too often, stolen, as was seen by the recent Facebook revelation that the personal information of 50 million users had been compromised. One enterprising Bitcoin BCH developer believes he has created the perfect alternative that will appease both users and websites.

Jonathan Silverblood has launched Cash-ID, an identity system that is built on the Bitcoin BCH blockchain. In a Yours.org post, he explained, “Cash-ID is an open protocol that allows secure authentication based on the public key cryptography infrastructure that is currently present in the Bitcoin Cash ecosystem. Each user can prove to a service provider that they control a specific Bitcoin Cash address by signing a challenge request, as well as provide optional metadata.”

Cash-ID is a very straightforward application. When a user makes an attempt to access a restricted area of a website, he or she receives a challenge request from the service provider. The request enables the user to choose a public/private Bitcoin BCH key pair that represents the user’s identity. Silverblood adds that, just by adding an additional letter and string of numbers, more detailed identity information can be added.

Over the years, many developers have tried to make passwords more secure. However, as has been witnessed too often, the enhanced security features have not done their job. Now, instead of trying to build upon a system that has shown to fail miserably, Silverblood hopes to scrap the entire system and use what might very well be a truly unbreakable access system.

Using Cash-ID, users would first authenticate login credentials through the platform without a password. They would create an authentication service that acts as two-factor authentication and supply the optional metadata.

There is already a beta version available for Android devices. Silverblood has also released a specification to provide insight into how the system works. He tweeted, “Based on the feedback thus far, it seems many people want revocation features that are trustworthy in CashID. Discussing this, I’ve come to the conclusion that it is a good thing that CashID is an *authentication* protocol, as that means it can complement a *reputation* protocol.”

Cash-ID is one of many innovations seen lately that employs the versatility and strength of the Bitcoin BCH blockchain. While other blockchains have been complacent and seem to want to sit back and see how much their cryptocurrencies rise and fall, Bitcoin BCH developers are working hard to show how powerful the blockchain is in real-world scenarios.

Note: Tokens on the Bitcoin Core (SegWit) chain are referenced as BTC coins; tokens on the Bitcoin Cash ABC chain are referenced as BCH, BCH-ABC or BAB coins.

Bitcoin Satoshi Vision (BSV) is today the only Bitcoin project that follows the original Satoshi Nakamoto whitepaper, and that follows the original Satoshi protocol and design. BSV is the only public blockchain that maintains the original vision for Bitcoin and will massively scale to become the world’s new money and enterprise blockchain.

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