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Is this episode on spotify. Couldn't find it.

1. The Taproot upgrade in 2021 removed the data limit entirely, as long as it fits inside a block. Segregated Witness (Segwit) software upgrade in 2017 allows up to 3MB of witness data to be stored ā€˜outside’ of the 1MB block limit. Together, they provide up to 4MB worth of storage space for the inscription content.

2. Inscriptions are stored in an ā€œenvelopeā€ between Opcodes OP_IF and OP_ENDIF. OP_FALSE precedes OP_IF to ensure that this data is never actually used in script execution and does not take up stack space. No OP_RETURN is used, and the output containing an inscription is spendable and thus unprunable.