adambalaNumber of Holders based on theirs NFT
    Updated 2022-12-09
    with
    a as (
    select
    nft_to_address as wallets,
    '1' as flag
    FROM ethereum.core.ez_nft_transfers
    where (nft_address =lower('0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d')
    )

    union all

    SELECT
    nft_from_address as wallets,
    '-1' as flag
    FROM ethereum.core.ez_nft_transfers
    where (nft_address =lower('0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d')
    )
    ),

    b as (
    select
    wallets ,
    sum(flag) as nfts
    from a
    group by 1
    having 2 > 0
    order by 2 desc)


    select
    count(distinct wallets) as users,
    case
    when nfts = 1 then '1'
    when nfts = 2 then '2'
    when nfts = 3 then '3'
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