Tag: cryptocurrencies

22 links

signal.org > Jun Harada
Update on beta testing payments in Signal
13 apr. 2021 - As the world stands today, the future of transaction privacy does not look great. The existing landscape is dominated by traditional credit companies, who over the past decade have been steadily pushing their networks for increased access to user data. They (and their data customers) are on a track to getting SKU level data of every purchase everyone makes everywhere. There are other contenders, such as regional online payments networks (like Venmo in the US), but the data story there is similar.
 · cryptocurrencies · micropayments · privacy · signal

www.schneier.com > Barath Raghavan and Bruce Schneier
Illegal Content and the Blockchain
15 mar. 2021 - Security researchers have recently discovered a botnet with a novel defense against takedowns. Normally, authorities can disable a botnet by taking over its command-and-control server. With nowhere to go for instructions, the botnet is rendered useless. But over the years, botnet designers have come up with ways to make this counterattack harder. Now the content-delivery network Akamai has reported on a new method: a botnet that uses the Bitcoin blockchain ledger. Since the blockchain is globally accessible and hard to take down, the botnet’s operators appear to be safe.
 · bitcoin · blockchain · botnets · censorship · china · cryptocurrencies · metcalfes-law · security · tor · trust