What is Bip-100? A Look at One of Bitcoin’s Scaling Proposals

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After Bitcoin was created by the unidentified Satoshi Nakamoto, other cryptocurrencies (altcoins) have been invented to solve several flaws, which they considered a stumbling block in the future development of the cryptocurrency.

There are several considerable flaws in the working of the BTC blockchain, some of which include; Scalability, the BTC mining process, etc.
In this article, we will be discussing Bitcoin’s scalability and the possible solutions to this problem.

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Scalability in Bitcoin

To properly comprehend the usefulness of a scalable blockchain network, we have first to understand what scalability means and how it affects the functioning of a network.

Today, several meanings are ascribed to “scalability,” depending on the aspect being discussed. For instance, scalability in solely computer terms scalability refers to the ability of a device or systems to function in the presence of an increasing amount of load or work.
In the world of cryptocurrencies and about Bitcoin, scalability refers to any modifications made to improve the function of the network. For most cryptocurrencies, scalability can be in transactions per second, the cost of transactions, bootstrap time, etc.

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Therefore when a network is described as scalable. It simply means the network can still attain optimal function while supporting additional modifications to the network.
As earlier mentioned, various aspects of a blockchain network can be scaled, and this leads to the categorization of scalable networks as follows;

  • Bitcoin scaling involves modifying the network’s performance either through the increment of its block size to handle more transactions per second or through the reduction of the time interval between the creation of new blocks. What makes this scaling different is that the mining algorithm is not changed. Therefore, the proof of work mechanism is maintained.
  • Scaling the proof of work: the proof of work mechanism is utilized in the minting (mining) of new crypto tokens on networks that use this mechanism. Bitcoin mining is achieved through the utilization of this mechanism. To learn more about Bitcoin mining, click here. Today, several altcoins exist and are scalable in this aspect by being modified, therefore increasing the performances of these networks.
  • BFT scalable algorithms; BFT stands for byzantine fault tolerance, and this has a lesser complexity compared to most being used. To learn more about this, click here.
  • Blockchains that can be scaled out: in such blockchain networks, several restraints on the system have been removed or modified in a way such as to allow a constant adjustment of the system or network. Therefore, if the network increases, the performance of the network will also increase.

Recap of Bitcoin scalability problems

Asides from being known to be a crucial store of value, the digital gold crypto is also known for its scalability problems, and this is mostly due to its design, which makes it difficult to include modifications.
Bitcoin utilizes the proof of work mechanism to introduce new tokens into circulation in a process called mining. The Bitcoin mining process involves the utilization of powerful computing machines to solve complex mathematical equations. Solving an equation results in releasing new tokens to the miner as a reward for the computing power utilized hence the name proof of work.

The Bitcoin scalability problem reflects on the networks as a limitation of the number of transactions that can be handled by the network in the shortest time frame possible.

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Currently, the BTC blockchain can carry out about seven transactions per second, requiring about 10 minutes for each block creation and a block size of 1 MB. due to this limitation, the network can get slowed down. Therefore, several proposals such as forks and modifications have been made.

This article will discuss one of the suggested solutions to the BTC scalability problem, and this is the proposal by Jeff Garzik.

BIP-100 by Jeff Garzik

The BTC core developer, Jeff Garzik, is also recognized as the co-founder of Bloq and his other involvements, such as an advisor to BItpay.

In Jeff Garzik’s 2015 proposal, he stated the importance of Bip 100 to solve the scalability problems experienced by the BTC network. Stating that due to the restricted nature of the block size, transactions could get stalled. Therefore, a constant delay of transactions can hinder the progress of the network in the future.

Jeff’s proposal on Bip 100 was published as a 12 page PDF document fully describing the reasons for introducing this mechanism of function and how Bip 100 will function. To have access to the full document.

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Mechanisms behind Bip 100

As earlier mentioned, the Bitcoin block size is currently 1 megabyte, and this translates to an average block creation time of 10 minutes and a transaction per second range of 3.3 to 7 tps.
The above is considered not enough; therefore, Bip 100 intends to function by not limiting block size to the network. In his paper, Jeff Garzik suggests how the power of choosing the block size would be taken away from the Bitcoin community and placed in the open market. He believes that there is no use of the BTC blockchain protocol controlled by a particular set of individuals.

By removing the block size limitation, the network will be able to handle an increased number of transactions per second, with size being determined by the miners, with the miners being able to communicate the decided size of each block individually. A vote taken by the miners will determine the size of each block. However, for the Bip 100 mechanism to be functional, about 90% of the BTC hash power on the blockchain network has to adopt its usage.

As earlier stated, miners will be able to determine the size of each block, but sizes will only be able to be either doubled or halved.

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Reception of Jeff’s Bip 100 proposal

Although the full functional mechanism of the Bip 100 is not known, the initial response by the Bitcoin was mixed, and this is due to several reasons stated below;

  • The network’s vulnerability to a 21 attack; the idea of a 21 attack is similar to that of a 51 attack. However, only 21% of the mining community would be required to pass a vote (either increase the block size or reduce it). The main problem with this is that it is possible that a large mining pool can have as much as 21% of the miners meaning the Bip 100 protocol will always be in their favor. Therefore, smaller crypto mining pools will be at a huge disadvantage.
  • 51% attack vulnerability: just as the above, this also has a similar logic attached to it. However, a 21% attack can be achieved by a group of miners partnering up. A 51% attack can be achieved by a miner or group of miners who contribute at least 51 percent of the hash power in the network.
  • Proponents of a much higher upper limit block size than an initial 32 megabytes suggested by Jeff say that in the future when the rate of BItcoin adoption is higher, a 32-megabyte block size won’t be enough. If such ensues, the debate about block size would arise and drag for an extended period again. Proponents for a much smaller block size fear that such occurrence could result in excessive block size increments.
  • As earlier stated, one of Jeff Garzik’s intentions for the Bip 100 protocol is to shift the BTC control to the open market. Although this will be good in achieving greater decentralization, several oppositions began to arise, first noted by Meni Rosenfeld. His argument being simple, the power ascribed to the crypto populace will be too much.

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Jeff’s Garzik’s solutions to most problems

  • In response to either a 21% attack or 51% attack, he suggested using a threshold to determine block size change. Jeff suggested that at least 81% of miners (forming the majority) agree before any changes are made.
  • Regarding the block size requiring above 32 megabytes in the future, Jeff Garzik insists that it is adequate and acts as a control against the network getting out of control.
  • Jeff Garzik also insists that placing control of the network in the market won’t result in a backlash as individuals won’t abuse their power as It’ll affect the BTC market adversely.

Should the Bip 100 protocol be implemented?

Although the initial response to the proposal was not as he intended, recent events have seen individuals go back to this proposal and back it up. Some individuals, such as Sonny Singh, the CCO of Bitpay, have openly declared his support for the Bip 100 protocol.

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Conclusion

The above article analyzes the Bip 100 protocol proposed by Bitcoin core developer Jeff Garzik, which is expected to provide a dynamic side to control the block size. Therefore, creating a network capable of adjusting based on the required performance, increasing its efficiency.
The entire point of scaling Bitcoin is to enable faster and cheaper network transactions. The Bitcoin8m project aims to raise community awareness of the blockchain’s limitations and how they can be addressed. It is also worth noting that Bitcoin8m does not result in a hard fork. Please read the following to gain a better understanding of the movement:

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