On the left chart, we can obviously see the share of users who have made their first and last transactions within a week on Flow is way more than share of users who done this on other 2 blockchains. this means, people on Flow tend to perform more and more transactions within a little timespans and the user retention on this blockchain is better than other 2.

Moreover, we can see that Ethereum users have the most share for performing their last transaction after more than 1 month later of their first transactions and as we said on the previous chart, these users tend to spend a significant time between their first and last transactions.

Now, for a closer view for each blockchain, we can see Flow status on the left chart,

as we saw before, the percentage of users on Flow blockchain that made their first and last transactions only within a week is way more than users who have made their first and last transactions with a month or more.

We can conclude that user retention on Flow is at a good rate.

On Ethereum, the results are different. The number of users who made their first and last transactions within a month is way less than users who have made their last transactions after at least one month later than their first transactions.

this means, user retention on Ethereum does not have a good rate and the number of users who perform their first and last transactions within a month or later have a significant share comparing to other 2 blockchains.

And on Solana, The number of users who made their first and last transactions within a week is way more than 2 other types. we can conclude that as like as Flow, Solana users also tend to perform their transactions in a little timespans.

Conlcusion

The Flow and Solana user retention is way more than Ethereum. they tend to perform more and more transactions within little timespans, unlike Ethereum that the difference between the first and last transactions for its users is way more than other 2 blockchains.

Totaly, Flow has the best user retention rate among 2 others

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What is Flow ?

Flow is a blockchain designed to function with high scalability without using sharding techniques. With this, users on the blockchain can carry out cheap and fast transactions. The blockchain was designed explicitly for dApps that need a very high scaling like NFT platforms. Crypto play to earn games have also tapped into the usage of the blockchain, providing its users with a swift gaming experience. Dapper Labs created the blockchain after a few issues surrounding congestion on its previous blockchain, Ethereum. The blockchain now hosts an array of crypto games, including the NBA Top Shot, a game that its parent company developed. Developers who intend to create dApps can also tap the blockchain due to its high scalability and swift performance

What is User Retention?

User retention is when a user continues to interact with a blockchain (or whatever) over a time period.

Methodology:

For this bounty and calculation of user retention on the 3 blockchains (Flow, Ethereum and Solana), First, I am going to check the earliest transaction made by a user on these blockchains (min blocktimestamp), Then, I am going to check the latest transaction made by a user on these blockchains (max blocktimestamp), And then, Calculate the time difference between these 2 values to calculate the user retention type.

Moreover, I have categorized users retention into 3 types:

• 1- Users who their first transaction and last transaction are within a week. (Less Than One Week Retention)
• 2- Users who their first transaction and last transaction are within a month. (Between One Week and One Month Later)
• 3- Users who their last transaction is later than one month after their first transaction. (More Than One Month Later)

(since the numbers on these 3 blockchains have many differences together, I am going to use logarithmic charts when I am comparing 3 blockchains on one single chart.)

Based on the left chart, the number of users who their first transaction and last transaction are within a week, is way more than the other two types of retention in all of 3 blockchains.

This means that most of the users interacting with these 3 networks are so dependent on the blockchain that they keep doing transactions within a week and tend to have little time difference between their transactions.

In terms of comparing, we can see Ethereum users spent more time between their first and last transactions and we can conclude that user retention on Ethereum is less than other 2 blockchains.