woodheadz 发表于 16-1-2014 14:26
现阶段bitcoin还处于初期,盘子小波动大,直接用来做货币是有点风险。不过如果你用bitpay(就那家李嘉诚投资 ...
woodheadz 发表于 16-1-2014 23:47
罗马没有多数暴政? 那么耶稣是怎么死的?
也许你应该扩展下你的阅读范围。罗马时期的思想的确很少涉 ...
woodheadz 发表于 17-1-2014 14:50
嗯,我的确不该这么说。给你道个歉吧。
关于DAC的原理你可以用“Distributed Autonomous Community”关 ...
社会一直在进步不假,但是一个稳定社会的组织方式最核心的东西,分层管理,授权管理,权力集中,精英政治等等,从来都没变过。
Currently, to make sure user funds are not lost, most services use a "cold/hot" wallet scheme. This means that only fraction (typically around 5-10%) of Bitcoins are stored online on website servers for day-to-day operations, and the rest is stored offline. Service operators then move the coins back and forth on regular basis to keep the hot/cold ratio as low as possible. This way, if someone breaks in to their servers (and this happens very frequently) only "small" amount of Bitcoins stored online will be stolen.
Above scheme however has some major drawbacks:
Some coins still have to be stored, unencrypted, on website servers. In event of server compromise they will be stolen.
Users could be limited to withdraw bigger amount of Bitcoins if the "hot storage" empties because of many withdrawal requests.
As a user, you have no control over your Bitcoins. They're mixed with other people's Bitcoins and when withdrawing, you will receive an address that could earlier belonged to someone else. This may lead to problems if receiver of your Bitcoins wants to refund them to you, as someone else could receive them.
Bitalo breaks this stereotype. We use multi-signature addresses - a special type of Bitcoin addresses that start with '3' instead of '1'. The major difference from standard Bitcoin address is that it's made out of two private keys, and in order to spend funds from that address, signatures from both keys are required.
In our system, we control only the first key, while you (with your account password) control the second one. That means we cannot move Bitcoins from your account without you entering the password to confirm the transaction. And since transaction signature happens in your browser, we never even receive your password on our servers.
That means that even if our servers are hacked, your coins are still safe.
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