Jameson Lopp. Perhaps you don't know

[dzungmobile]

Jameson Lopp is one of Cyperpunks who have contributions for Bitcoin in early days.

He is still here, around the forum even he is not regularly log in and make posts.

statoshi

Some helpful websites and business from J.Lopp.

Keybase: https://keybase.io/lopp
Github: https://github.com/jlopp/statoshi/
Twitter: https://twitter.com/lopp
Blog: https://www.lopp.net/bitcoin-information.html
Statoshi.info - Realtime Bitcoin Node Stats: http://statoshi.info/
Casa Vault wallet: https://keys.casa/

You can find many technical articles on Lopp's blog like these

How many Bitcoin confirmations is enough?
How is the 21M Bitcoin cap defined and enforced?
How to back up a seed phrase?

And some articles in his review series on Metal Bitcoin seed storage stress tests

Tools
Bitcoin Transaction Size Calculator
Bitcoin Confirmation Risk Calculator

[drwhobox]

Jameson Lopp is one of Cyperpunks who have contributions for Bitcoin in early days.

He is still here, around the forum even he is not regularly log in and make posts.

statoshi

Some helpful websites and business from J.Lopp.

Keybase: https://keybase.io/lopp
Github: https://github.com/jlopp/statoshi/
Twitter: https://twitter.com/lopp
Blog: https://www.lopp.net/bitcoin-information.html
Statoshi.info - Realtime Bitcoin Node Stats: http://statoshi.info/
Casa Vault wallet: https://keys.casa/

You can find many technical articles on Lopp's blog like these

How many Bitcoin confirmations is enough?
How is the 21M Bitcoin cap defined and enforced?
How to back up a seed phrase?

And some articles in his review series on Metal Bitcoin seed storage stress tests

Never heard of him before, but just checked the links that you have shared. Now I can say he is one of the OG's and true admirer of bitcoin. Especially his blog articles are great to read.