The Polygon (MATIC) sidechain is preparing to hard fork on January 17, specifically to optimize transaction fees on the network during peak usage. In addition, the production of blocks will be reorganized to be more fluid within the various validators.
New update for Polygon
As the Polygon (MATIC) sidechain continues to host its fair share of decentralized applications (dApps) and continues to establish itself as a destination of choice for more traditional gamers, like its recent partnership with Mastercard, it is preparing to upgrade to maximize scalability.
So based on several discussions within the Polygon forum and several observations, a hard fork of the sidechain will be operated tomorrow, Tuesday January 17thand the validators on the network are already invited to update their nodes to the new version.
One hard forkunlike a soft fork, allows you to immutably modify the rules of a network following a common agreement between the community (DAO) and the validators. To find out more about this principle, we invite you to read our article dedicated to the difference between difficult And soft fork.
The hard fork will then change the consent rules of the Polygon networkand this through the following 2 axes:
- Reduce the impact of a large number of simultaneous transactions on network charges ;
- Review sidechain organization in order optimize block validation time.
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Optimization of transaction costs
To solve this first point, Polygon wants to “smooth” the cost curves inherent in the use of the network, especially when the latter faces peak usage. To do this, the “BaseFeeChangeDenominator” value will be multiplied by 2 in order to limit the increases in gas in the blocks.
“For a transaction to be included in a block, a gas tax is required. […] Rising gas price is normal when there is increased demand on any blockchain protocol. But “gas spikes,” which represent exponential price growth, are not. »
Figure 1 – Gas price in the current form of the Polygon network (in blue), then in its post-fork version (in red)
According to the statement, this change is expected to significantly reduce major price fluctuations, more respecting “the gas dynamics of Ethereum (ETH)”. In summary, during peaks on the network, the increase in transaction fees should be much smaller.
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The reorganization of the sidechain
To simplify this mechanism which has some rather technical aspects on the BorChain (responsible for block production on Polygon), the reorganization aims to reduce the number of blocks produced by a single validator in order to limit their impact on the object of the operations.
This specificity, called sprint length will thus be greatly reduced, since block production for each validator will drop from 64 to just 16 blocks. In terms of time, the duration granted to the same validator will decrease from approximately 128 to 32 seconds.
Figure 2 – Illustration of block reordering on Polygon
“By reducing the sprint duration, the time a validator continuously produces blocks decreases. The result ? A decrease in the risk that a secondary or tertiary validator (that has not discovered the primary validator) intervenes to produce blocks, which reduces the overall number of reorganisations. »
Polygon’s press release specifies that the number of blocks produced definitely by each validator will remain unchanged, and therefore the rewards assigned to them will remain the same.
The price of the MATIC is currently $0.99, that is an 18% increase in the last 7 days.
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