> Taproot also introduces a new script type, a way of spending bitcoin. Pay-to-Taproot (P2TR) allows users to pay to either a Schnorr public key or the Merkle root of a variety of other scripts. Using this new script type, a user can create a UTXO which can be unlocked and spent by either the owner of the private key or anyone who can satisfy the requirements of any script within the Merkle tree.
Well-written overview for devs who want to know what Taproot is:
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