Blog

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Nov 1, 2017, 10:00 AM
If you're interested in Bitcoin, Ethereum, etc. then you're probably tempted by ads with mining equipment or cloud mining contracts. Many of them promise you substantial passive profits and a fast return of investment under one year. Can it really be this easy? Here at WALCZAK.IT we experiment heavily with cryptocurrencies and we've also build our behemoth of a rig which mines three totally different coins at once. We've experienced firsthand that cryptocurrency mining is not trivial, nor is it passive or risk-free. Here are some cons you should consider before investing into it.
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Oct 4, 2017, 10:13 PM
For the past few moths we've been developing our own simulation and notification system that aids us in cryptocurrency trading. As a byproduct of this enterprise we maintain a huge database of trades, exchange rates and OHLC data imported from many exchanges. We decided that it would be a shame to just keep this in-house so we're lunching a new polish website - kryptowalutownia.pl - on which you can view aggregated price charts and compare exchange rates from multiple exchanges.
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Sep 15, 2017, 7:06 PM
If you own Ethereum mining rigs with RX 470 / 480 / 570 / 580 AMD graphic cards you might have noticed that your hashrates have been slightly going down. In our RX 470 rig we went down from 27-28 MH/s per card to 25-26 MH/s. This drop will continue if you do nothing about it as the DAG file is slowly overwhelming your cards capabilities. Luckily AMD has been working on this problem.