Question:

Q2. ZkSync is a scaling solution for Ethereum that is live on mainnet. Some of the main features of ZkSync are the extremely low transaction fees and trustless protocol design. You can read more about ZkSync here.

Users can also deposit ERC20 tokens into ZkSync. Which ERC20 tokens have been deposited the most (in $ volume and total count) in the last 60 days? Visualize and explain both findings.

Approach:

The concept of zkSync is to provide a trustless and zero-compromise Layer 2 scaling solution for the Ethereum blockchain. The team achieves this through zkRollup technology, zerk-knowledge proofs, and on-chain data availability. The outcome is how users can send funds over zkSync without worrying over switching between layers, new deposit addresses, or friction.

In this section, the approach of criteria for depositing ERC20 tokens into the ZkSync has been provided.

• ERC20 token transfer

     from ethereum.core.ez_token_transfers
  

• Specification of zkSync

     TO_ADDRESS='0xabea9132b05a70803a4e85094fd0e1800777fbef'
  

• Count of deposits

     count(distinct tx_hash) as count_deposit
  

• Volume in USD

     sum(AMOUNT_USD) as volume_USD
  

• Time period

     BLOCK_TIMESTAMP>=CURRENT_DATE-60 -- stands for the last 60 days
  

Results:

By count of deposit

The most used ERC20 tokens according to the count of deposits into zkSync displayed in this sub section. According to the results, the key findings are:

1. The USDC has 2472 deposits in the last 60 days and takes the first rank of most used ERC20 tokens.
2. LDO, USDT and DAI takes the next ranks of deposit count into zkSync, respectively.
3. The count of deposits for USDC spread into the time period but for LDO only May 22th and 24th are the important days.

By volume of deposit in USD

The most used ERC20 tokens according to volume in USD for depositing into zkSync represented in this sub section. According to the contents, it can be concluded that:

1. Like a said in the previous part, the USDC takes the first rank in USD volume too.
2. LDO has second most count of deposits but in term o USD volume has dropped to seventh place and USDT takes its place with 6.58 million USD volume of deposit.
3. The WBTC has been deposited most in May 11 and 12 but deposit of stablecoins follow consistent movement.