Question 1

What’s the difference between Legacy, SegWit, and Taproot addresses?

Accepted Answer

Legacy addresses usually start with 1 or 3, SegWit bech32 starts with bc1q, and Taproot starts with bc1p. Newer formats often support lower fees and improved features.

Question 2

Is it safe to share a Bitcoin address?

Accepted Answer

Sharing an address is generally fine for receiving payments, but it can reduce privacy because transactions to that address are public.

Question 3

Why does an address fail validation?

Accepted Answer

Common reasons: a typo, missing character, wrong network (testnet vs mainnet), or an invalid checksum.

Question 4

Should I reuse addresses?

Accepted Answer

Best practice is to avoid reuse when possible to improve privacy. Many wallets generate a new receive address each time.

Bitcoin Address Validator