[bitcoin-list] 比特币 v0.1 Alpha 版发布说明
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比特币是一种新的电子现金系统，它使用点对点网络防止双重支付。它完全去中心化，没有服务器或中央机构。
你可以在这里找到截图和下载链接： http://www.bitcoin.org
目前仅支持 Windows。内含开源 C++ 代码。
- 将文件解压到一个目录中
- 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，就会对网络有很大帮助。你需要在防火墙上开放 8333 端口，以接收传入连接。
该软件仍处于 Alpha 和实验阶段。无法保证系统状态在某个时候不会因必要而需要重新开始，不过我已经尽我所能，在系统中加入了可扩展性和版本控制机制。
你可以让别人给你发送一些币，也可以开启 Options->Generate Coins，运行节点并生成区块，从而获得币。我一开始把工作量证明难度设得低得离谱，因此在初期的一小段时间里，一台普通 PC 只需几小时就能生成币。当竞争促使自动调节机制提高难度时，生成币就会困难得多。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，你可以输入对方的 IP 地址，客户端会进行连接、获取一个新的公钥，并发送带有备注的交易。如果收款人不在线，也可以发送到对方提供给你的比特币地址，该地址是其公钥的哈希。对方下次连接并取得包含该交易的区块时，就会收到这笔交易。这种方式的缺点是不会发送备注信息；如果多次使用同一个地址，还可能损失一些隐私。不过，如果双方无法同时在线，或者收款人无法接收传入连接，它就是一种有用的替代方式。
总流通量将为 21,000,000 枚币。新币会在网络节点创建区块时分配给它们，数量每 4 年减半。
前 4 年：10,500,000 枚币 接下来 4 年：5,250,000 枚币 接下来 4 年：2,625,000 枚币 接下来 4 年：1,312,500 枚币 依此类推……
当新币发放完毕后，系统可以在需要时支持交易费。它以开放市场竞争为基础，可能始终都会有节点愿意免费处理交易。
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Release notes for Bitcoin v0.1 Alpha
Bitcoin is 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.
You can find screenshots and the download link at: http://www.bitcoin.org
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