What is Blockchain?

Transcript

1. What is Blockchain? ーfor beginnersー Tomoaki | Waseda BITBEARS
2. ＠tomoaki25_official I am a illustrator designer. A Blockchain researcher & developer. The Co-founder of BITBEARS. And then a student.
3. Active on Mon.&Tue. at Waseda University building 3! Feel free to DM us if you’re interested in joining!:-) @bitbears_wasedablockchain
4. Follow us and check out our latest updates! @waseda_BITBEARS
5. What is BLOCKCHAIN? ❓
6. P2P network Blockchain is a decentralized P2P network. Decentralized
7. Why decentralize? Every time you use the Internet, you have to access a server from your device. Current Internet Server
8. Problems of the Internet.
9. Equifax data breach Hackers exposed the Social Security numbers, drivers licenses and other sensitive info of 143 million Americans
10. Edward Snowden’s confession Edward Snowden whitsleblower of The NSA surviilance
11. If decentralized... Transparent
12. Safer when hacked
13. Hard to supervise
14. P2P network What is P2P and Why?
15. If P2P...
16. You don’t have to rely on a third party. “Trustless”
17. How does BLOCKCHAIN work?
18. Blockchain contains blocks connected to chain.
19. What is Minning？ Gold Bitcoin
20. Each block contains a “previous block hedder”. transactions transactions transactions previous block hedder previous block hedder previous block hedder nonce nonce nonce Block hedder Block hedder Block hedder Block n Block n+2 Block n+1
21. If changed... Each block contains a“previous block hedder”.
22. Blockchain is like multiple layers. New blocks Recent blocks Old blocks Very hard to change Almost impossible to change You shouldn’t even think about changing them
23. Blockchain is immutable. immutable
24. Why Bitcoin matters? Blockchain Users Miners (12.5BTC+Fees) Transaction Transaction Transaction want to use Bitcoin but also want someone to check the transactions. want to earn Bitcoin.
25. Summary Blockchain is... Decentralized P2P Transparent Immutable Bitcoin is... Decentralized Autonomous
26. Thank you