With the outbreak of the concept of blockchain, blockchain has become a new front for everyone to contend for, so what comes with it is the contradiction between the centralization of the blockchain and the expansion of technology. Everyone is questioning the degree of decentralization? What is the size of the 'triangle'? How to solve the problem of scale expansion and decentralization.
In the field of digital currency, a problem worthy of attention must be to ensure the contradiction between decentralization and scale expansion.
As new fans are attracted to this technology and continue to flood into this area, the contradiction between these two goals is also becoming noticeable.
To underscore the urgency of this issue, many researchers are working on the decentralization of key non-financial factors in the wave of digital currencies and blockchains – when more and more users are generating The ability to expand technology creates a balance.
Cornell University researcher Adem Efe Gencer explained this dilemma in an interview: "The key driving force behind the blockchain's appeal is the decentralization of power that exists in the lowest trust relationship entity. But in scale and decentering There is a fundamental tension between them. Because we know how to scale, scale solutions may need to be at the expense of the decentralized nature of the blockchain."
With this dilemma, with the increasing burden of the most popular blockchain, the problem of deeper transaction backlogs and transaction cost increases is becoming more and more serious. In this regard, many people doubt whether the blockchain is worth the attention it is currently receiving—or whether it is another technology that has been over-hyped, and people's expectations for it actually exceed their actual use.
In this regard, there are some solutions under development, such as the Bitcoin Lightning Network (LighTIng Network), but there are still some trade-offs.
Gencer's new paper, as well as other recent articles, explores how the most popular blockchains are decentralized, and how large the future will be when replaced by the control of new technologies that are being scaled up. Resistance.
In the debate on how to overcome this problem in the Bitcoin community, the researchers highlighted different possible solutions that they found: chain, out-of-band, and consensus agreement.
Decentralization?In the paper, Gencer and his co-authors aim to “scientific quantify†the decentralization of Bitcoin and Ethereum networks.
To achieve this goal, the paper integrates a set of metrics, including how many miners in a network (stakeholders who use computer hardware to order and verify transactions on the network), how many nodes, and the blocks needed to send blocks across the network. Bandwidth and more.
Checking out this huge illustration may help researchers solve scalability problems. Gencer said in an interview: "Although we know how to scale, scale solutions may need to be at the expense of the decentralized nature of the blockchain."
With this in mind, the study was inspired by the “feasibility of expanding proposals of different scalesâ€. For example, the authors found that the block size can be increased to 1.7 times to improve the size of the chain, to some extent without compromising the decentralization characteristics.
It is worth noting that the discovery of Gencer and his colleagues also saw a heated debate on social media. Because decentralization is a very difficult feature to measure in systems such as Bitcoin, many believe that other decentralization factors need to be taken into account in order to get a comprehensive picture.
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