nsa2000Investigation of activity of miners (stopped mining after Aug 4, 2022)
    Updated 2022-09-17
    with
    miner_cte as (
    select
    BLOCK_TIMESTAMP
    , BLOCK_TIMESTAMP::date date
    , miner
    , block_number block
    from ethereum.core.fact_blocks
    )
    , jul_sep_cte as (
    select
    distinct
    miner
    from miner_cte
    where date between '2022-07-01' and '2022-09-14'
    )
    , aug_sep_cte as (
    select
    distinct
    miner
    from miner_cte
    where date between '2022-08-05' and '2022-09-14'
    )
    , stop_miner_cte as (
    select
    miner
    from jul_sep_cte
    where miner not in (select miner from aug_sep_cte)
    )
    , time_between_block_cte as (
    select
    miner
    , BLOCK_TIMESTAMP
    , datediff(hour, lag_BLOCK_TIMESTAMP, BLOCK_TIMESTAMP) hour_between_block
    from (
    select
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