比特币 v0.1 发布
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宣布首次发布比特币，这是一种利用点对点网络防止双重支付的新型电子现金系统。它完全去中心化，没有服务器或中央机构。
截图请见 bitcoin.org。
下载链接： http://downloads.sourceforge.net/bitcoin/bitcoin-0.1.0.rar
目前仅支持 Windows。随附开源 C++ 代码。
- 将文件解压到一个目录
- 运行 BITCOIN.EXE
- 它会自动连接到其他节点
如果你能让一个接受传入连接的节点持续运行，那将对网络有很大帮助。防火墙需要开放端口 8333 以接收传入连接。
软件目前仍处于 alpha 阶段，属于实验性质。不能保证系统状态在某个时候不必重启（如果确有必要），不过我已经尽力加入了可扩展性和版本控制。
你可以让别人给你发送一些币来获得币，或者打开 Options->Generate Coins，运行一个节点并生成区块。我一开始把工作量证明难度设得极低，所以最初的一小段时间里，普通 PC 只需几小时就能生成币。随着竞争使自动调整提高难度，难度会大幅增加。生成的币必须等待 120 个区块成熟后才能花费。
发送资金有两种方式。如果收款人在线，你可以输入其 IP 地址，程序会连接到对方，获取一个新的公钥，并连同评论发送交易。如果收款人不在线，也可以发送到其比特币地址；这是其提供给你的公钥的哈希。对方下次连接并获取包含该交易的区块时，就会收到这笔交易。这种方法的缺点是不会发送评论信息，而且如果地址被多次使用，可能会损失一些隐私；但如果双方无法同时在线，或收款人无法接受传入连接，它就是一种有用的替代方案。
流通总量将为 21,000,000 个币。它会在网络节点生成区块时分配给节点，数量每 4 年减半。
前 4 年：10,500,000 个币 接下来 4 年：5,250,000 个币 再接下来 4 年：2,625,000 个币 再接下来 4 年：1,312,500 个币 等等……
这些币发完后，如果有需要，系统可以支持交易费。它建立在公开市场竞争的基础上，而且可能始终会有愿意免费处理交易的节点。
Satoshi Nakamoto
英文原文
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Announcing the first release of Bitcoin, a new electronic cash system that uses a peer-to-peer network to prevent double-spending. It's completely decentralized with no server or central authority.
See bitcoin.org for screenshots.
Download link: http://downloads.sourceforge.net/bitcoin/bitcoin-0.1.0.rar
Windows only for now. Open source C++ code is included.
- Unpack the files into a directory
- Run BITCOIN.EXE
- It automatically connects to other nodes
If you can keep a node running that accepts incoming connections, you'll really be helping the network a lot. Port 8333 on your firewall needs to be open to receive incoming connections.
The software is still alpha and experimental. There's no guarantee the system's state won't have to be restarted at some point if it becomes necessary, although I've done everything I can to build in extensibility and versioning.
You can get coins by getting someone to send you some, or turn on Options->Generate Coins to run a node and generate blocks. I made the proof-of-work difficulty ridiculously easy to start with, so for a little while in the beginning a typical PC will be able to generate coins in just a few hours. It'll get a lot harder when competition makes the automatic adjustment drive up the difficulty. Generated coins must wait 120 blocks to mature before they can be spent.
There are two ways to send money. If the recipient is online, you can enter their IP address and it will connect, get a new public key and send the transaction with comments. If the recipient is not online, it is possible to send to their Bitcoin address, which is a hash of their public key that they give you. They'll receive the transaction the next time they connect and get the block it's in. This method has the disadvantage that no comment information is sent, and a bit of privacy may be lost if the address is used multiple times, but it is a useful alternative if both users can't be online at the same time or the recipient can't receive incoming connections.
Total circulation will be 21,000,000 coins. It'll be distributed to network nodes when they make blocks, with the amount cut in half every 4 years.
first 4 years: 10,500,000 coins next 4 years: 5,250,000 coins next 4 years: 2,625,000 coins next 4 years: 1,312,500 coins etc...
When that runs out, the system can support transaction fees if needed. It's based on open market competition, and there will probably always be nodes willing to process transactions for free.
Satoshi Nakamoto