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Ethereum交易者在几秒钟内赚了超过一百万美金

一名Ethereum交易者在几秒钟内赚了超过一百万美金,原因是系统“卡”了一下。Ethereum类似比特币,详见介绍 ,都是应用块链(blockchain)技术。Ethereum象一个去中心化的世界,比特币只是它的一个典型应用;这个世界里可以有许许多多应用。最酷的是建立一个DAO,即所谓去中心化自动运行组织。

而这个交易系统”卡”了一下,让这个交易者赚了300,000%的利润。非常有意思的是,官方的加密货币交易所表示不会取消这次交易。排除阴谋论,这个系统的应急能力也令人怀疑。

原文链接:https://medium.freecodecamp.com

抄录:

One Ethereum trader just made $1,142,400 in seconds, thanks to an epic glitch

Yesterday, a market where people trade the Bitcoin-like cryptocurrency Ethereum crashed instantly.
The value of Ether (the Ethereum currency) plunged from about US $300 to $0.10 in seconds. Then it bouncing right back up to $300.
Here’s how this extremely unlikely event unfolded:
Around 2:30 pm EST the price of Ether — which had been trading on the GDAX currency exchange at around $300 — suddenly dropped to $0.10. The official explanation is that a trader placed a multi-million dollar order to sell Ether.
In the chaos, computers sold off Ether in automated, price-triggered “sell” orders. Traders lost millions of dollars.
But one trader had an automated “buy” order telling computers to buy 3,809 Ether if it ever dropped so low as $0.10.
Within a few minutes, the price of Ether completely recovered to around $300. This meant that the 3,809 Ether the trader had just bought was now worth $1,142,700. The trader had made a 300,000% return within a few minutes.
We’ve had “flash crashes” like this before (2010’s sudden Dow Jones price drop of 9%). But nothing of this magnitude, where an asset lost 99.96% of its value in a matter of seconds.
And in case you’re wondering, no — GDAX is not issuing refunds or reversing any of these trades. Here’s their official explanation of what happened.
All this leaves some lingering mysteries:
Why did the price of ether crash so suddenly and so completely? Did someone intentionally manipulate the market with the multi-million dollar sell order?
Why didn’t GDAX have countermeasures in place to stop trading once the price started falling? If these countermeasures were indeed in place, did they fail to kick into effect?
Did the person behind this extremely profitable trade create the $0.10 buy order as part of some broader strategy of exploiting extremely unlikely black swan events? Or did they just create it as a practical joke, never expecting for the price of Ether to drop that low?
Who were they? Did the same person place both the multi-million dollar sell order and the buy order at $0.10 knowing it would crash the system? Since the holders of Ethereum “smart contracts” are anonymous, we may never know.
You can read how cryptocurrency traders reacted to this transaction here.
And if you want to read more about algorithmic trading, I highly recommend Michael Lewis’s book Flash Boys: A Wall Street Revolt.
Here are three other links worth your time:
What I learned from Apple rejecting me for a scholarship to the WWDC (6 minute read)
I burned my first startup to the ground. Here are some hard lessons learned (9 minute read)
The latest video in our series about Agile software development: The Definition of Ready (3 minute watch)
Thought of the day:
“The crytpocurrency community hasn’t decided whether they want to be anarchist rebels or to replace the establishment.” — Adi Shamir

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