640K对所有人都够了
640K ought to be enough for anybody.
From the dawn of
civilization until 2003,
humankind generated five
exabytes of data. Now we
produce five exabytes
every two days…and the
pace is accelerating.
Eric Schmidt,
Executive Chairman, Google
核心就是数据
The promise of the blockchain
The trust machine
The technology behind bitcoin could
transform how the economy works
区块链是一个复杂的概念
The first five times you think you understand it, you don’t.
What color is your blockchain?
比特币背后的区块链
Bitcoin Whitepaper by
Satoshi Nakamoto
区块链就是区块的链
创世区块
可以无限分割的货币
1mBTC =
1Satoshi=
1 mBTC = ~$
1 Satoshi = ~$
不可以随意产生的币
不是花了钱就有新的比特币
没有中央银行
程序员每次只能挖出固定数量的币
无法应市场要求加快或者加大量产
两个
常用的对比
Alice
(Public) 10 BTC
Bob
(Public) BTC
Dora
(Public) BTC
Eliza
(Public) 2 BTC
Charlie
(Public) 17 BTC
智能合约
智能合约是什么
账户名 股票 资金
Peter 100股Facebook 0
Jeff 0 $4,000
账户名 股票 资金
Peter 60股Facebook $4,000
Jeff 40股Facebook $0
智能合约
区块链系统的不可篡改性
Why You Can't Cheat at Bitcoin
everybody is working on block 91.
one miner wants to alter a transaction in block 74
'd have to make his changes and redo all the
computations for blocks 74-90 and do block 's
18 blocks of expensive computing
's worse,he'd have to do it all before everybody else in the Bitcoin network finished
just the one block(number 91)that they're working on.
被机器人取代的十个行业
比特币，区块链
区块链
代码库数量和比特币价格对比
区块链
Distributed（分布式的）
Autonomous（自治的，共同约定的）
Contractual（按照合约执行的）
Trackable（可追溯的）
分布式账本
信息技术的五次变革
大数据和区块链的结合
大数据的区块链化
区块链的大数据化
分布式数据库的可延展性（write/s）
三层架构
区块链业务应用层
区块链引擎层
分布式数据库存储层
Big Data 框架
Data Ingestion
Manipulation
Integration
Enterprise &
Ad Hoc
Reporting
Data
Discovery
Visualization
Predictive Analytics
RDBMSHadoop Blockchain
Analytic
Databases
Big Data Analytics
