with before_number_of_wallet_created as (
select
from_address as wallet_address
from polygon.transactions
where block_timestamp::date < '2021-02-26'
and success = 1
group by from_address
)
select
count(distinct(from_address)) as number_of_new_wallet
from polygon.transactions
where block_timestamp::date >= '2021-02-26'
and from_address not in (select wallet_address from before_number_of_wallet_created)
and success = 1