In its first quarterly earnings results since its IPO, Coinbase Global (COIN) delivers Q1 earnings and revenue that trail the average analyst estimates.Q1 EPS of $3.05 vs. consensus estimate of $3.20.COIN stock drops 4.2% in after-hours trading.Q1 revenue of $1.60B misses the average analyst estimate of $1.82B; increases from $497M in Q4 2020 and $179M in Q1 2020.Total operating expenses of $813.4M increased from $358.5M in Q4 and $151.8M in Q1 2020; as a percentage of revenue, operating expenses fell to 51% from 72% the prior quarter and 85% in the year-ago quarter.Adjusted EBITDA of $1.12M matches the Visible Alpha consensus of $1.12B and increased from $288M in Q4 2020.Monthly transacting users of 6.1M vs. Visible Alpha consensus of 6.1M and up from 2.8M in Q4.Total trading volume of $335B jumped from $89B in the prior quarter; in the most recent quarter, trading $120B of trading volume was retail and $215B