The proposal called pERC 20, which has come to the fore in the Ethereum ecosystem, aims to allow users to hold and transfer assets without publicly revealing their token balances, transaction amounts and counterparty information. The proposal has revived debates about whether every financial transaction should be visible by default on public blockchains.
Its main difference from the current standard
Today, the ERC 20 standard on the Ethereum network allows token balances and transaction history to be reviewed by anyone on the chain. In the pERC 20 approach, sensitive data is expected to remain confidential. Accordingly, tokens will be kept as encrypted cryptographic notes similar to digital cash.
Mini dictionary: pERC 20 is a proposed token standard that aims to add a privacy layer to the ERC 20 structure on Ethereum. While transaction data is not clearly visible in this model, network authentication can be maintained through cryptographic methods.
In the current structure, many Ethereum tokens work like a public bank account. Through a wallet address, it can be seen how much of an asset is held, where these assets come from and where they are sent. In the proposed model, while transactions remain private, it will be possible for the network to verify that transaction records have not been tampered with.
While transactions remain private, the network is still focusing on a structure that can verify whether data has been modified.
A balance is sought between privacy and control
It is also emphasized that the proposal does not make all data invisible. The total supply of the token will remain publicly available. Thus, it can be checked externally whether new tokens are secretly produced or not. Additionally, a compliance mechanism allowing issuers to freeze certain cryptographic notes was also included in the bill. This structure is intended to allow certain interventions without revealing the balance and transaction history of ordinary users.
This framework also raised the question of how privacy-focused payment instruments can coexist with regulatory requirements. At the heart of the debate is preserving user privacy while not completely losing controllability of the network.
Ease of use and technical durability stand out
Some developers argue that the real problem is not just private payments. It is stated that the user experience must be strong in order for the system to become widespread. Otherwise, the use of a privacy-providing tool by a limited number of people may also weaken the level of anonymity provided.
Ben Sasson stated that if the user experience is poor, very few people will use the system, and if the usage area is narrow, a strong anonymity effect will not occur.
Another striking aspect of the proposal was its use of post-quantum secure cryptography. It is considered that this approach may gain more importance as blockchain developers begin to prepare for advances in quantum computing in the future. The debate itself is seen as an important development that indicates that the understanding of privacy in public blockchains may change direction.
