Crypto Currency

1. Bitcoin

1.1. Growing problem

1.1.1. Rise to Altcoin?

1.1.1.1. 1st success Altcoin (litecoin)

1.1.1.2. Ripple

1.1.1.2.1. want to replace SWIFT

1.1.1.3. Ethereum

1.1.1.3.1. used as smart contract

1.1.2. Blockchain complexity

1.1.2.1. SegWit as Solution?

2. Blockchain as research tools

2.1. Record keeping system (Singapore Bank - 2015)

2.2. handle contract between diff suplay chain (Spanish Bank - 2015)

3. Energy Crisis

3.1. China already shutdown miner activity

3.2. How about premined coin?

3.2.1. Ripple

3.2.2. IOTA

3.2.3. Stellar

4. Exchanging Security

4.1. MT.Gox

5. What is it?

5.1. as a money

5.1.1. definition and history of money

5.1.1.1. bartering

5.1.1.1.1. with someoune you know & trust

5.1.1.1.2. stranger? quantity become abstract

5.1.1.2. gold

5.2. as a commodity

5.3. might be used as money laundry & illegal transaction

5.4. is it legal?

6. Similar as Virtual Currency?

6.1. Game currency

7. How stable as a currency?