Portal Gate on the Blockchain

Singularity
2 min readJul 4, 2023

As a privacy-centric DeFi solution, Portal Gate obfuscates the on-chain link between wallets. To understand how this is achieved, it is essential to understand what your transaction looks like on the public blockchain.

Below is an example of a relayer-assisted withdrawal through Portal Gate where the user has withdrawn $100,000 kycUSDC.

Figure 1: PG Withdrawal Transaction. Source: Etherscan.
  1. From the top, the Relayer directs the withdrawal through the pgRouter contract.
  2. The pgRouter transfers to the withdrawal wallet a portion of ETH (in this case, ~0.0108 ETH) through the 100k USDC instance pool.
  3. Moving onto the ERC-20 tokens, the pool will send the required withdrawal amount, adjusted for fees, to the withdrawal address (in this case, ~99,906.4754 kycUSDC).
  4. It will also send a service fee, in kycUSDC, to the relayer address to compensate them for their service in maintaining anonymity (in this case, ~93.5246 kycUSDC).

As observed above, Portal Gate’s user-friendly process has been able to facilitate a transaction that remains completely anonymous. The relayer allows the gas on the new withdrawal wallet to remain anonymous.

About Portal Gate

Portal Gate is a compliant and privacy-centric DeFi infrastructure stack that provides a secure way for users to transfer, trade and transact on-chain whilst preserving their anonymity on-chain. Portal Gate leverages zero-knowledge technology to empower users with unparalleled privacy.

Portal Gate’s privacy solution is targeted for mainnet launch in Q3.

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Singularity

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