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Help Center

What should be noticed when buying second-hand mining machines?

The purchasers of second-hand mining machine should pay attention to the following problems, to avoid from fraud.

As the market changes, some miners will replace their old machines with new ones for the considerations of revenue, security and operating costs, hence the second-hand mining machines come in. Miners may choose to buy second-hand mining machines due to the consideration of cost performance or the inability to buy suitable new mining machines. However, the purchasers of second-hand mining machine should pay attention to the following problems, to avoid from fraud.

·To buy from a legal company

The channels of second-hand mining machines are very complicated. Miners should purchase second-hand mining machines from companies with a track record of long operating time and good reputation, negotiate with it the transaction and after-sales terms, and clarify the responsibilities and obligations of both parties so as to safeguard their rights and interests thereafter.

·After-services are available

When trading second-hand mining machines, the seller will generally make the promise of "Guarantee for hashrate and installing on the rack". "Guarantee for hashrate" is the promise of the second-hand mining machine, and "guarantee for installing on the rack" is the promise of the normal operation of the mining machine after installing on the rack.

It is an industrial rule for the sales of mining machines, that unless there is a very serious quality problem, no return is acceptable. Generally, when trading mining machines, buyers can't see the real objects, and the quality of second-hand mining machines is more difficult to grasp. Therefore, the promise of "Guarantee for hashrate and installing on the rack" is very important to buyers.

·Second-hand mining machine under warranty

Some second-hand mining machines are relatively new and still in warranty period (“under warranty” in short). The price of such used machines is also relatively high. Check the SN code of the machine to find the remaining warranty period, this method can verify the seller's statement on the machine.

In addition, attention should also be paid to the mining machines under warranty that, in such cases as disassembly, assembling, swiping unofficial firmware, etc., the rights and interests under warranty will disappear, and the official franchiser will charge high after-sales fees for the maintenance of such machines. This should also be paid attention when you buy the second-hand machines. Do not buy mining machine at guaranteed price if the rights and interests under warranty disappear.


BTC
Shut Down
Issue amount 21000000
24 hours volume 972.49K
24 hours turnover $ 68.19B
Market Direction Short
Panic Index 78 (Extremely greedy)
Swap Rate 4.94%
Market Value Proportion 51.42%
market value $ 6,971.35 x 100 million
24 hour increase -0.67%
Computing power 588.87 EH/s
daily output 0.00000075 BTC / T
Halving time

The public chain will have a halving cycle to maintain the value of the currency, and the market will rise sharply after halving in history.

Completed
Earnings volatility

The computing power of the entire network is due to the increase and decrease of mining machines, which affects the average distribution of revenue. If the computing power decreases, the average revenue will increase, and if the computing power increases, the average revenue decreases.

0%
LTC
Shut Down
Issue amount 84000000
24 hours volume 21.50M
24 hours turnover $ 2.04B
Market Direction Short
Swap Rate 28.92%
Market Value Proportion 0.26%
market value $ 32.74 x 100 million
24 hour increase -1.44%
Computing power 997.53 TH/s
daily output 0.00000367 LTC / M
Halving time

The public chain will have a halving cycle to maintain the value of the currency, and the market will rise sharply after halving in history.

No halving expected
Earnings volatility

The computing power of the entire network is due to the increase and decrease of mining machines, which affects the average distribution of revenue. If the computing power decreases, the average revenue will increase, and if the computing power increases, the average revenue decreases.

0%
BCH
Shut Down
Issue amount 21000000
24 hours volume 3.75M
24 hours turnover $ 1.88B
Market Direction Short
Swap Rate 19.06%
Market Value Proportion 0.39%
market value $ 44.33 x 100 million
24 hour increase -2.98%
Computing power 3.69 EH/s
daily output 0.00026007 BCH / T
Halving time

The public chain will have a halving cycle to maintain the value of the currency, and the market will rise sharply after halving in history.

Completed
Earnings volatility

The computing power of the entire network is due to the increase and decrease of mining machines, which affects the average distribution of revenue. If the computing power decreases, the average revenue will increase, and if the computing power increases, the average revenue decreases.

0%
FIL
Shut Down
Issue amount 2000000000
24 hours volume 134.20M
24 hours turnover $ 1.25B
Market Direction Short
Swap Rate 25.43%
Market Value Proportion 0.18%
market value $ 51.84 x 100 million
24 hour increase -2.54%
Computing power 22.63EiB
daily output 0.00470521 FIL / TiB
Halving time

The public chain will have a halving cycle to maintain the value of the currency, and the market will rise sharply after halving in history.

No halving expected
Earnings volatility

The computing power of the entire network is due to the increase and decrease of mining machines, which affects the average distribution of revenue. If the computing power decreases, the average revenue will increase, and if the computing power increases, the average revenue decreases.

0%
XCH
Shut Down
Issue amount 31234162
24 hours volume 619.57K
24 hours turnover $ 26.36M
Market Direction Short
Swap Rate 9.36%
Market Value Proportion 0.01%
market value $ 4.09 x 100 million
24 hour increase -3.86%
Computing power 14912.60839843 PiB
daily output 0.00019732 XCH / TiB
Halving time

The public chain will have a halving cycle to maintain the value of the currency, and the market will rise sharply after halving in history.

No halving expected
Earnings volatility

The computing power of the entire network is due to the increase and decrease of mining machines, which affects the average distribution of revenue. If the computing power decreases, the average revenue will increase, and if the computing power increases, the average revenue decreases.

0%
ETC
Shut Down
Issue amount 210700000
24 hours volume 31.82M
24 hours turnover $ 799.17M
Market Direction Short
Swap Rate 23.14%
Market Value Proportion 0.33%
market value $ 26.33 x 100 million
24 hour increase -3.60%
Computing power 169.10 TH/s
daily output 0.00007566 ETC / M
Halving time

The public chain will have a halving cycle to maintain the value of the currency, and the market will rise sharply after halving in history.

No halving expected
Earnings volatility

The computing power of the entire network is due to the increase and decrease of mining machines, which affects the average distribution of revenue. If the computing power decreases, the average revenue will increase, and if the computing power increases, the average revenue decreases.

0%
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