Firstly, congratulation to you on your achievement. It's not easy to rank up on this forum nowadays. I would like to try my luck with below posts. Hopefully I'll reach your current rank some day. Thank you!

https://bitcointalk.org/index.php?topic=5174060.msg52112743#msg52112743
https://bitcointalk.org/index.php?topic=5224000.msg53791941#msg53791941