This document discusses Bitcoin, highlighting its origins, characteristics, and operational framework. It emphasizes Bitcoin's independence from central authorities, its secure and irreversible transaction system, and its potential as a decentralized digital currency. The author, Bella J. Badr, outlines various technical aspects, development resources, and the future potential of blockchain technology.

1. Let’s Connect
• BELLAJ BADR
• @badrbellaj
• Github.com/bellaj
BITCOIN

2. Whoami
+15 talk
Blockchain specialist & technical Advisor.
+20 projects
First Bitcoin mined in 2011
IOT Security solution based on Blockchain/BTC.

3. History (Context)
In November 2008
Ecashanonymous cryptographic
(DIGICASH Inc.) ‘1983-1998’
hashcash, a proof-of-work scheme for spam control
bit gold (distributed digital)
Bit gold was never implemented (Nick Szabo)
E-gold‘1996- 2007’
‘2006-2013’
2008, financial crisis : Best time for Bitcoin

4. Bitcoin Can Not Be Controlled; It's Unstoppable!

5. Bitcoin, the world’s first
decentralized digital currency.
Peer to Peer (No middle authority)

7. “peer-to-peer version of electronic cash would allow online
payments to be sent directly from one party to another
without going through a financial institution.”
Satoshi Nakamoto
Bitcoin began as a P2P electronic cash system

8. Bitcoin System Features
• Pseudo- anonymity (addresses are public but the holder remains hidden)
• Secure by design (Cryptography : Cryptocurrency, hashrate)
• Privacy preserving (No Sign-Up Required, etc)
• Transactions are Irreversible (no chargeback)
• Easy to use (Qr code, online wallet)
• No intrinsic value, No physical form, No central bank
• No double-spending problem (Cheating or Counterfeiting).
• No Central Authority
• Low Cost transactions (depends on the size not on the amount send 10$ is like 10M$).
• Transparent blockchain.

9. How it works?!
• Blockchain based
Miner would dedicate computer power to solving cryptographic puzzles

12. 3.5B$ transferred.
The simplest of all payment systems

13. FOR DEVELOPERS
• Bitcoin core (C++)
• Bitcoin clients or Implementations : BITCOINJ, BITCOINJS….
• Third party API and online wallets: blockchain.info, Coinbase….
• Bitcoin Payment Gateway API : bitpay, GoURL..
• You can be your own financial system
• Most of the security is on client side

14. Meetup and Conference
• MCHAIN 2017 : Blockchain and cryptocurrency international
conference.
• Upcoming Blockchain Meetup : https://goo.gl/HLtr2d

15. BITCOIN IS The future
Questions?