BlockChain is getting hot. I believe it'd bring a huge impact on lots of industries in 2016.

1. BlockChain & Its Eco- System
jeff@esse.io
12/04/2015

2. Objective of this Document
●
Introduction of BlockChain & BitCoin
●
BitCoin Development
(https://bitcoin.org/en/development)
●
Technology Trend
●
Business Scenarios

3. BlockChain @ Wikipedia
●
A block chain or blockchain is a permissionless distributed
database based on the bitcoin protocol that maintains a
continuously growing list of transactional data records
hardened against tampering and revision, even by
operators of the data store's nodes. The initial and most
widely known application of the blockchain technology is
the public ledger of transactions for bitcoin and the
inspiration of similar distributed ledgers known as
altchains. Each blockchain record is enforced
cryptographically and hosted on machines working as data
store nodes.[4]

4. BitCoin
●
A decentralized peer- to- peer payment network that is powered by its users with no central
authority and middlemen. From a user perspective, Bitcoin is pretty much like cash for the
Internet. Bitcoin can also be seen as the most prominent triple entry bookkeeping system in
existence.
●
The first Bitcoin specification and proof of concept was published in 2009 in a cryptography
mailing list by Satoshi Nakamoto (中本聪)
●
t the end of August 2013, the value of all bitcoins in circulation exceeded US$ 1.5 billion with
millions of dollars worth of bitcoins exchanged daily.
●
Bitcoin's public ledger (the 'block chain') was started on January 3rd, 2009 at 18:15 UTC
presumably by Satoshi Nakamoto
●
https://bitcoin.org/en/faq

5. Technical Logic
Transaction
Verify
Sign
Owner 1's
Public key
Hash
Owner 0's
Signature
Owner 1's
Private Key
Transaction
Verify
Sign
Owner 2's
Public key
Hash
Owner 1's
Signature
Owner 2's
Private Key
Transaction
Owner 3's
Public key
Hash
Owner 2's
Signature
Owner 3's
Private Key
Decentralized!!!

6. Satoshi Nakamoto ( 中本聪 )
●
His identity and nationality are unknown.
●
He is entirely unknown outside of Bitcoin as far as anyone can tell, and his
(never used) PGP key was created just months prior to the date of the
genesis block. He seems to be very familiar with the cryptography mailing
list, but there are no non-Bitcoin posts from him on it. He has used an
email address from an anonymous mail hosting service (vistomail) as well
as one from a free webmail account (gmx.com) and sends mail when
connected via Tor. Some have speculated that his entire identity was
created in advance in order to protect himself or the network. Perhaps he
chose the name Satoshi because it can mean "wisdom" or "reason" and
Nakamoto can mean "Central source".
●
Ultimately the design of Bitcoin and its use of cryptographic proof and
fully open implementation is one that makes its creator, in a sense,
irrelevant and only of interest for historical reasons.

7. Projects
BitCoin2.0 Project Desc
https://ripple.com Gateway, Payment, Exchange, Wiring
https://counterparty.com Currency issuing and transaction
https://ethereum.org Digital currency platform
https://mastercoin.org
https://nxtcommunity.org
https://opentransactions.org
https://bitshares.org
https://github.com/OpenAssets
https://colorcoins.org

8. Cloud Computing Data Analytics ?→ →

9. Summary
Disclaimer: all my own personal view & opinion
●
DECENTRALIZED and Distributed
●
Autonomous self maintained
●
An engine of trust management
●
It's like an “Encrypted Grid”

13. BitMessage.org
●
Bitmessage is a P2P communications protocol used to
send encrypted messages to another person or to many
subscribers. It is decentralized and trustless, meaning
that you need-not inherently trust any entities like root
certificate authorities. It uses strong authentication
which means that the sender of a message cannot be
spoofed, and it aims to hide "non-content" data, like the
sender and receiver of messages, from passive
eavesdroppers like those running warrantless
wiretapping programs.
●
Code > https://github.com/Bitmessage/PyBitmessage

14. OpenBazaar – open, free, no- restriction
OpenBazaar is a different way
to do online commerce. Instead
of visiting a website, you
download and install a program
on your computer that directly
connects you to other people
looking to buy and sell goods
and services with you. This peer
to peer network isn't controlled
by any company or organization
- it's a community of people
who want to engage in trade
directly with each other.
Source > https://blog.openbazaar.org/what-is-openbazaar/
Code > https://github.com/openbazaar

15. NameCoin.info
●
Namecoin is a decentralized open source
information registration and transfer system
based on the Bitcoin cryptocurrency.
– Avoiding governmental control
– Censorship resistance
– Security with no- hijack
– Open source
– Code > https://github.com/namecoin

16. La'Zooz – moving people
Decentralized car sharing, like
Uber, but rewarded by bitcoin
and compensating to
●
Driver
●
Passenger
●
Developer
●
Designer
Code >
https://github.com/lazooz

17. BitCloudProject.org
●
Bitcloud is an open source distributed database and
escrow agent that allows people to share data and
create distributed applications.
●
The decentralized nature of Bitcloud allows anyone
to publish large amounts of content that is free from
censorship, high costs, and proprietary software.
●
Bitcloud can be the base for decentralized
applications that require data storage and
bandwidth.

18. BlockChain Society Phenomenon
社会化现象 ( 个人观点 )
●
Complete decentralized
去中心化，节点平等
●
Encryption to trustless
由加密软件保证与制约的信任机制
●
Costless Consensus
●
Improved quality and reduced cost of trust
保障征信质量，同时降低征信成本，包括，时间，金钱，等
●
Innovation Momentum of Open Source
开源软件领导的创新

19. The Risk that BlockChain Brings up
●
Free speech
●
Technology is double- sided sword. It's a trade-
off
●
Government feeling threatened to lose control
●
Reduce (or remove) control from central bank
可能会降低中央银行的集中管制
●
Payment transaction could be anonymous over
internet without trace (money laundry)

20. 超越货币的区块链应用 (in Chinese)
分类 实例
金融交易 股票，股权，集资，债券，基金
公共记录 土地和产权证，车辆登记，营业执照，结婚证等
证件 驾驶证，身份证，护照，选民登记
私人记录 借据，贷款合同，投注，签名，遗嘱，信托，中介
证明 保险证明，权属证明，公正文件
无形资产 专利，商标，版权，订位，域名
其他 托管交易，保税合同，第三方仲裁，多方签名交易
主要解决的问题：认证和信任成本高

21. 区块链 @Wikipedia
● 区块链（ Blockchain 、 Block chain ）是比特币的一个重要概
念，区块链是一串使用密码学方法相关联产生的数据块，每一
个数据块中包含了一次比特币网络交易的信息，用于验证其信
息的有效性（防伪）和生成下一个区块。该概念在中本聪的白
皮书 [1] 中提出，中本聪持有第一个区块，即“创世区块”。
● 区块链在网络上是公开的，可以在每一个离线比特币钱包数据
中查询。比特币钱包的功能依赖于与区块链的确认，一次有效
检验称为一次确认。通常一次交易要获得数个确认才能进行。
轻量级比特币钱包使用在线确认，即不会下载区块链数据到设
备存储中。
Source > https://zh.wikipedia.org/zh-cn/ 区块链