Songbo Wang’s home page

Math. Paris. Will/may host stuff.

Canary is updated every month, starting on 2021-01-19.


My personal email address is


I have both online and offline keys.

I use a Nitrokey to store my offline ECC keys. I don't trust NIST so opted for Brainpool. It is a pity that neither 25519 nor 41417 is supported by Nitro.

Stuff I host

I promise to respect your privacy, but cannot say the same thing for my hosting providers or your ISP.


Searx is a metasearch engine designed for privacy protection. It searches for you using various search engines and aggregates the result so some of your personal information may not be exposed.

My instance is I don't guarantee any up time for now. Visit to get a list of public searx instances.


The instance is not entirely mine, and is not open for registration (unless I know you in some sort). Still you can follow me anywhere from the Fediverse.


I host an RSS generator, RSSHub, and an RSS reader, Miniflux.


Nitter is an alternative front-end to Twitter. My instance is


Teddit is an alternative front-end to Reddit. My instance is

One big advantage of using an alternative front-end is that the load speed is usually much faster than the original, without analytics JS etc. Classical UI may also be a plus for some.


I have made a few predictions about the future. However, I do not want to reveal them before they turn out to be definitively true or false. I publish instead their SHA-512 hashes, allowing verification in case of successful or failed predictions.

Last updated on 2021-03-27.