for people who have heard the word bitcoin, but do not know what it is, how it works, how it changes the world

1. How BITCOIN changes the world
Naoki Watanabe
on April 19, 2016
April 21, 2016 1

2. WHAT’s THIS?
April 21, 2016 2

3. UKRAINE NEEDS SUPPORT by BITCOIN
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4. I’ll tell you
• What the bitcoin is
• How it works
• How it changes our life.
to get you excited about the new currency!
April 21, 2016 4

5. Central Bank Guarantee Currency
• The bank of Japan publishes JPY.
• If the bank of Japan goes bankrupt, JPY worth nothing.
• Recall Zimbabwe dollar hyper inflation.
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6. Bitcoin is P2P, not Needs Central Bank.
• You can pay without any intermediary, broker and bank.
• Everyone shares and can seethe bookkeeping.
• No commission on a transaction.
• If you modify you bookkeeping, everyone else notice it.
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7. Every Transaction Recorded in Blockchain
• The blockchain is the core technology of Bitcoin
• It is the distributed database
• A transaction is immediately broadcasted to the network
• Every transaction is on https://blockchain.info/
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8. Impossible to do Bad about Bitcoin
• RSA-256 (cryptosystem, 1977) is used for every transaction.
• It takes so long time to break.
• Easy to see if a key works.
• Bitcoin is based on the mathematics.
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9. New Coin Issued by Maintaining Blockchain
• By working on hard calculation, a reward is payed.
• This is called mining.
• Severe race to get a reward.
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10. Bitcoin Used More Widely in the World
• Log scale of the number of bitcoin transactions
• In 2008, Satoshi Nakamoto published a paper.
• In 2009, the first bitcoin issued.
• In 2013, the first ATM
in Vancouver, Canada.
• In 2015, 25 US states have
exchanges run by coinbase.
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11. BITCOIN Changes our Life
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12. IBM & Microsoft Help Blockchain Business
https://news.bitcoin.com/microsoft-ibm-declare-blockchain-open-business/, February 17, 2016
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13. Conclusion
• Bitcoin is the Unprecedented Currency.
• Get Excited bitcoin changing the World !
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