If your browser (Firefox does; Chrome/Brave/Edge are ok) leaks that are running a Bitcoin node (mainnet/testnets) on the same machine as your browser, localprobe alerts you about it by showing a privacy alert when you visit a website. Currently, https://b10c.me does (test by running bitcoind -regtest and visiting https://b10c.me). This leak might be used by e.g. advertisers to show you Bitcoin related ads.
localprobelocalprobe
Team:Team:
What We Built:What We Built:
If your browser (Firefox does; Chrome/Brave/Edge are ok) leaks that are running a Bitcoin node (mainnet/testnets) on the same machine as your browser, localprobe alerts you about it by showing a privacy alert when you visit a website. Currently, https://b10c.me does (test by running
bitcoind -regtestand visiting https://b10c.me). This leak might be used by e.g. advertisers to show you Bitcoin related ads.Stack:Stack:
plain JS
Submission:Submission:
https://loot.fund/hackathons/bitcoin-exploits-edition/applications/13
Repo:Repo:
https://gist.github.com/0xB10C/4e6b3d8394bb375323e887945091ead5
Next Steps:Next Steps:
Using the same technique, we can actually harm remote Bitcoin nodes by DDoSing them from the browser. I've been working on a demo of this.