I am a beginner with Bitcoin and there are a lot of things that I havent known well about Bitcoin, where can I find documents or videos about Bitcoin to learn more? Thank you for your help.
You can find documents about Bitcoin to learn more at this forum or simply search for keyword: Bitcoin on Google.com or you can visit this website:
https://bitcoin.org/en/ to learn more. If you want to find videos, I suggest you visit Youtube.com and search for keyword: bitcoin. I hope my answer can help you easier to learn more about bitcoin.