withdrawer as user,

min(block_timestamp) as first_tx

from ethereum.maker.ez_withdrawals

where tx_status = 'SUCCESS'

group by 1

union all

depositor as user,

min(block_timestamp) as first_tx

from ethereum.maker.ez_deposits

where tx_status = 'SUCCESS'

group by 1

select date_trunc('day', first_tx) as first_tx_date,

count(distinct(user)) as count_new_withdrawer,

sum(count_new_withdrawer) over (order by first_tx_date) as cumulative_count_new_withdrawer

from base

group by 1

order by 1 desc