Background of inscriptionsThe upgrades of Bitcoin, including OP_RETURN, SegWit and Taproot enabled the development of Ordinals. OP_RETURN By 2014, the need for pruning useless UTXO data led to OP_RETURN outputs, signaling 40 bytes of unspendable script for arbitrary data inclusion. SegWit 2017’s SegWit upgrade tackled transaction malleability and block capacity limits. It proposed a separate block in which to inject metadata, called the witness block,which is higher in storage capacity. Bitco...
