yeah, seems to be VPN related


https://primal.net/e/nevent1qqs075tp595j209pnxfuwcac6lke5kk7qahv5cn85g3krpvq5hd8augua2uhw

Ah, it seems GCP might be blocking my @nprofile1q... connection?

I'm getting the following on all your pages:

<Error>
<Code>AccessDenied</Code>
<Message>Access denied.</Message>
</Error>

Hey @nprofile1q... - I wanted to have a look at your Bitcoin Node census data, but the site seems to be down. Is this related to cloudflare?

https://census.yonson.dev

I've written a bit about a project I've been working on for a while:

peer-observer: A tool and infrastructure for monitoring the Bitcoin P2P network for attacks and anomalies

https://b10c.me/projects/024-peer-observer/

I have too many other projects currently, but I think this could be a fun side-project for someone:

Can we spot public spy-Electrum servers run by Chainanalysis?
https://github.com/0xB10C/project-ideas/issues/11

Where do I sign up?

🤙

should be fixed now

I've persistent my notes on the May 2023 Bitcoin Core node DoS problems. These are background information for the disclosure from last year.

When non-ideal sorting, mass BRC-20 mints, and spy nodes caused a CPU Denial-of-Service on the Bitcoin network:

https://b10c.me/observations/15-inv-to-send-queue/?n

🤙

fwiw: here is a libbpf-rs tool using the mempool tracepoints: https://github.com/0xB10C/peer-observer/blob/3161b4c8e0acf8632522affbca459d41d351b097/extractor/src/main.rs#L302-L315

In the current Bitcoin mining landscape with proxy lools like AntPool & friends, 6 mining pools produce and mine more than 95% of the block templates.

Bitcoin mining is highly centralized today.

https://b10c.me/blog/015-bitcoin-mining-centralization