ML6Daily Average time between blocks on Arbitrum
    Updated 2022-07-25
    select '6.Average time between blocks on Arbitrum : ', datediff('second' , min(block_timestamp), max(block_timestamp))/count(*) as val , to_date(block_timestamp::date)
    from arbitrum.core.fact_blocks
    where year(block_timestamp)=2022
    group by 3



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