OP_RETURN Outputs Shows the number of OP_RETURN outputs per day. 0 - moon step plot annotations moving average show permalink OP_RETURN outputs can include up to 80 bytes of data which is permanently recorded on the blockchain. Category: Outputs | Tags: OP_RETURN Related Charts Cumulative OP_RETURN Output Values Shows the provably lost OP_RETURN output values in sat. Output Types by Count Shows the distribution of output types by output count per day. Output Types by Value Shows the distribution of output types by output value per day.