select

tx_id,

block_timestamp,

seller_address,

buyer_address,

platform_name,

nft_address,

amount_usd,

project_name as collection_name

from

sei.nft.ez_nft_sales

where

amount_usd < 1e6

and tx_succeeded

and project_name = 'Seiyans'

),

t4 as (

select

buyer_address,

count(distinct tx_id) as transactions,

min(block_timestamp) as first_transaction_at

from t

group by 1

)

select

case

when transactions = 1 then 'a. 1 Transaction'

when transactions <= 5 then 'b. 2 - 5 Transactions'

when transactions <= 10 then 'c. 5 - 10 Transactions'

when transactions <= 25 then 'd. 10 - 25 Transactions'

when transactions <= 50 then 'e. 25 - 50 Transactions'

else 'f. > 50 Transactions'

end as user_type,