The best video to understand bitcoin's underlying technology which is known as "BlockChain"
ဘစ္ကိုင္ ရဲ႔ အေျခခံနညး္ပညာေနာက္ခံ ကို သိနားလည္ခ်င္ရင္ (၁၇ မိနစ္သာ)
