Case Study: Accelerating Cryptocurrency Mining (Under NDA)

Our client had a vision to analyse and engage with the most disruptive ideas in the crypto-currency domain. Read more to see our solution for this mission!

Case Study: Accelerating Cryptocurrency Mining (Under NDA)
Written by TechnoLynx Published on 29 Dec 2020

Problem

Our client was a spin-off from a technology investment company, focused on analysing and engaging with disruptive ideas in the cryptocurrency space. The cryptocurrency domain, especially mining, has been an area of high interest due to its potential for innovation and profit.

However, it also poses unique technical challenges. The client wanted to explore whether improvements could be made in the mining algorithm of a specific cryptocurrency, potentially leading to faster and more efficient mining processes. Their hope was that by optimising this process, they could significantly improve mining performance and profitability.

The cryptocurrency they were focusing on employed a proof of work (PoW) system, where miners use their computational power to solve complex mathematical puzzles, thereby validating transactions on the network.

The process is energy-intensive, requiring powerful hardware such as graphics processing units (GPUs) and, in some cases, application-specific integrated circuits (ASICs). The client approached TechnoLynx to conduct a deep analysis of the mining algorithm and identify potential avenues for accelerating the process, with an emphasis on improving overall hash rate performance.

Solution

As is typical with many TechnoLynx projects, our team first conducted a thorough analysis of the existing infrastructure. We analysed the cryptocurrency’s mining algorithm, focusing on the efficiency of its operations and the current performance bottlenecks. We were particularly interested in whether the mining process could be further accelerated through hardware improvements, such as better use of GPUs or the potential implementation of ASICs.

However, our initial findings quickly indicated that this particular problem was already well researched. The existing GPU implementations of the mining algorithm were highly optimised, with performance nearing the physical limitations of the hardware, particularly in relation to DRAM bandwidth. In simpler terms, the GPUs were operating at a level close to their maximum possible capacity, leaving little room for further optimisations in this area.

Given these findings, we explored alternative approaches to improving performance. The most promising route appeared to be the development of heuristic methods—essentially, using educated guesses to bypass certain calculations in the mining algorithm. Our team implemented a proof of concept to test the feasibility of this approach. While the results were promising, they did not offer a significant enough improvement to justify further investment in this direction.

In consultation with the client, we decided to shift our focus away from the mining algorithm itself and towards performance bottlenecks associated with specific GPUs. Some GPUs, despite their theoretical capacity, were not delivering optimal performance due to hardware limitations and inefficiencies in their design. We identified several of these bottlenecks and suggested potential methods to mitigate them. These suggestions included optimising hash rate calculations and improving transaction fees management.

For this project, we relied heavily on C++, CUDA, and CMake for working with GPUs. In addition, we used scikit-learn and PyTorch to model potential heuristic alternatives. These tools allowed us to deliver both technical recommendations and a proof of concept for the client, which explored these performance bottlenecks in greater depth.

The consensus among our team was that while heuristic methods and performance optimisations could provide some gains, the overall impact was likely to be limited. The cryptocurrency mining algorithm had already reached a high level of efficiency, and any additional improvements would likely be incremental rather than groundbreaking.

Result

In the end, the client decided not to pursue further development in this area. While they appreciated the thorough analysis and the recommendations we provided, they determined that this avenue of research would not yield the desired return on investment. The cryptocurrency’s mining algorithm was already performing at a high level, and the potential for further improvements was too small to justify the time and resources required.

However, this outcome was not without value. The client was pleased with the depth of our analysis and the level of insight we provided. They recognised that sometimes the most important outcome of a project is the decision not to pursue a particular course of action, especially when the costs outweigh the potential benefits. In this case, the project served as a valuable learning experience for both parties, and the client was able to redirect their resources toward other, more promising ventures.

This case study illustrates the importance of flexibility and adaptability in the technology sector. While our initial approach focused on optimising the mining algorithm, we quickly realised that the real bottlenecks lay elsewhere.

By shifting our focus and exploring alternative avenues, we were able to provide the client with a comprehensive understanding of the problem and its potential solutions. In doing so, we helped them make an informed decision about the future of their project, saving them from investing in a course of action that would not have yielded the desired results.

Ultimately, the project demonstrated the value of a thorough and independent analysis. By exploring the problem from multiple angles, we were able to provide the client with a clear understanding of the limitations of their current system and the potential for improvement. While the final decision was not to pursue further development, the client was left with a deeper understanding of the challenges they faced and the tools at their disposal for future projects.

How Cryptocurrency Mining Works

Cryptocurrency mining, particularly in the context of proof of work (PoW) systems, relies on a process called hashing. Miners use computational power to solve complex mathematical puzzles, and the first to solve the puzzle is rewarded with newly minted cryptocurrency. This process ensures the integrity of the blockchain by validating transactions and preventing fraud.

The computational power needed for mining is enormous. It requires specialised hardware like GPUs and ASICs, which are designed to handle the high processing demands of mining. The more powerful the hardware, the faster it can solve puzzles and generate cryptocurrency.

However, mining is not without its challenges. One of the biggest is the energy consumption associated with the process. Mining requires vast amounts of electricity, and as the difficulty of the puzzles increases over time, so does the energy needed to solve them. This has led to concerns about the environmental impact of cryptocurrency mining, particularly for proof of work systems like Bitcoin.

The Role of GPUs and ASICs in Mining

In the early days of cryptocurrency, mining could be done on a regular computer with a standard central processing unit (CPU). However, as the difficulty of mining puzzles increased, CPUs became insufficient for the task. Miners began to use GPUs, which are more efficient at handling the complex calculations needed for mining.

ASICs are even more specialised, designed specifically for cryptocurrency mining. They are faster and more efficient than GPUs, but they are also more expensive and less versatile. While GPUs can be used for a wide range of applications, including gaming and scientific research, ASICs are purpose-built for mining and cannot be easily repurposed.

In recent years, there has been a growing debate within the cryptocurrency community about the merits of proof of work versus other consensus mechanisms, such as proof of stake (PoS). Proof of stake is seen as a more energy-efficient alternative to proof of work, as it does not require miners to solve complex puzzles. Instead, validators are chosen based on the amount of cryptocurrency they hold and are willing to “stake” as collateral.

Cryptocurrency Mining
Cryptocurrency Mining
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