Some Bitcoin addresses start with bc1p, while others start with bc1q. What’s the difference?
Here’s how I understand it: when spending, only the conditions actually used are revealed, so less data needs to be written to the block and fees are lower.
Schnorr signatures can aggregate multiple public keys into one. Once an address controlled jointly by multiple people is on-chain, it looks no different from one using a single signature.
My current habit: before sending funds to an address starting with bc1p, I check whether my wallet or platform supports Taproot addresses.
The Taproot address for $BTC starts with bc1p, unlike SegWit addresses that start with bc1q.

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