Thu. Jan 20th, 2022

In the spring By 2021, Encrypted Communications App Signal has announced that it will Add a paid feature to beta for its users in the UK, An integration test with a relatively new, privacy-centric cryptocurrency called MobileCoin. But the broader phase of that test has been going on quietly since mid-November. That’s when Signal makes the same feature accessible to all its users without fanfare, enabling the ability to send much more personal digital payments than credit card transactions — or bitcoin transfers — to millions of phones.

Mobilecoin co-founder Josh Goldbird confirmed the rollout and said it encouraged the widespread adoption of cryptocurrency, which now sees thousands of daily transactions compared to a few dozen before the global beta release. “Earth currently has over a hundred million devices capable of launching mobilecoins and sending end-to-end encrypted payments in five seconds or less,” Goldbird said, citing Signal’s report. Total downloads.

In fact, it is still not easy to get started using the signal’s payment feature. Anyone outside of authorized companies like North Korea and Syria can access their MobileCoin wallet in a message by tapping the “+” icon and then “Payment”. But the challenge for many will be to load that wallet in the first place; Cryptocurrencies are only listed for sale on a few smaller cryptocurrency exchanges — such as Bitfinex and FTX — none of which are yet offered to US customers.

Signal itself did not respond to WIRED’s request for comment on the global rollout of payment features. But last April, the creator of the signal, Moxie Marlinspike WIRED has been explained That he wanted to add payments to encrypted video-calling and texting apps to match features from competitors like WhatsApp and Facebook Messenger – as well as bring the admirable privacy protection of signals to financial transactions. “I want to go to a world where you just can’t feel it [a sense of privacy] When you talk to your therapist at the signal, but when you pay your therapist for a session on the signal, “said Marlinspike.

Marlinspike argues that this type of financial privacy requires integration with a cryptocurrency rather than traditional, surveillance-friendly banking and credit card systems. In 2017, Marlinspike helped launch MobileCoin with that potential integration in mind, acting as a technical advisor to pay for cryptocurrencies. He and Goldbird say they designed MobileCoin to be easy to use for small purchases on a mobile device, with fast transaction confirmation and much more personal than that. Bitcoin, whose public blockchain can allow powerful form tracking.

To avoid blockchain-based tracing of user money, MobileCoin introduces strategies that have pioneered the old so-called “privacy currencies” such as Coin And Zcash. It includes a protocol called Cryptonote and a feature called Ring Confidential Transactions, which hides the amount of payments and makes them difficult to trace by mixing. MobileCoin also uses a form of mathematical proof known as bulletproof that can guarantee a transaction without disclosing its value. Goldbird said of Bitcoin’s less-private blockchain, “I don’t think it would make sense to send transactions by laser where all actions can be linked.” “There are so many different ways to deal with it. If I pay my bills, my barista knows now that I paid my therapist or I went to the doctor. Every transaction I make with that wallet is now visible to my barista, forever.” “

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