case when project_name is null then nft_address else project_name end as projz

from ethereum.core.ez_nft_sales

where date(block_timestamp) >= current_date - 31

and price_usd > 0)

select buyer_address, sum(price_usd) as volume, count(distinct tx_hash) as tx_count

from raw

where projz in ('mineablepunks')

group by 1

order by 2 desc