We are GB21

GB21.com has great association with several mining companies and launched its first mining platform in China long back in May 2015.

Nowadays, it becomes increasingly difficult to mine cryptocurrencies independently in the conditions of the home. First of all the complexity of the system increases, and secondly, the equipment used for a mining creates a lot of problems and hassles. It also requires your consent. The creation of the cryptocurrency farm is not a new project for us. At this moment we have our own Altcoins farm, whose rate grows monthly.

At GB21 we consider both positive and negative experiences. For this reason all the technological capabilities of the team will be installed in the territory of China.

Since 2016, we offer the best conditions for financial specialists from several countries and will be prepared to see you among them. Our company workers are proficient money related investigators and experienced specialists in remote trade trading and hypothesis. They have all the information and abilities that are important to be required in beneficial trade and expand the benefit with sensible risk.

Specialists of GB21 have built up an exceptional trading system in 2016-17 and from that point forward enhance it and adjust to the cryptocurrencies that is always showing signs of change affected by numerous variables. Such the system gives stable and hazard free benefits for the company!

The company specialized the division has put into practice one of a kind programming for multicurrency trading program mode. This helps us to track the development of value outlines, select ideal passages for cryptocurrency benefits and expand gainfulness.

The GB21 Assurance

Responsive Support | Reliant Mining Output | State-of-the-art mining Hardware



Our efficient and prompt support team is always ready to answer and resolve customer enquiries and issues, irrespective of the time.


Timely Returns

Using our proprietary methodologies and years of experience in Cryptocurrency mining, we have been able to overcome the rues of difficulty.


99.9% Server Uptime

To ensure stable Mining Outputs and best output for the whole system, we have a 24x7 mining operations team, whose primary operative is to ensure no downtime for servers.

Mining FAQ’s

Here you will find answers to the most commonly asked questions

  • What do I need to start mining?
    • In the early days of Bitcoin, anyone could find a new block using their computer's CPU. As more and more people started mining, the difficulty of finding new blocks increased greatly to the point where the only cost-effective method of mining today is using specialized hardware.

  • What is a Bitcoin mining share?
    • A share is merely an accounting method to keep the miners honest and fairly divide any rewards earned by the pool.

  • What is a Bitcoin mining module?
    • A Bitcoin mining module is usually a worker as assigned in the Bitcoin mining software. For example, four GPUs are plugged into the motherboard constituting the Bitcoin mining hardware. Then the Bitcoin mining software identifies each GPU as a unique worker. So, this small Bitcoin mining rig would be composed for four Bitcoin mining modules.

  • What does ASIC stand for?
    • An Application-Specific Integrated Circuit is a special chip designed specifically for mining Bitcoin and is much more energy-efficient and faster than GPU or FPGA mining.


Here’s something our prestigious clients have to say about us