Plain English
A wallet address is the public destination for crypto transfers — like an account number, but for blockchain. Bitcoin addresses start with bc1 or 1 or 3. Ethereum addresses start with 0x and are 42 characters long.
How it actually works
Addresses are derived from your public key via a one-way hash function. Each blockchain has its own format and character set. The address itself reveals nothing about your identity, your other addresses, or your balance until it transacts — at which point everything you do with it becomes permanently visible on the blockchain explorer.
You can have unlimited addresses per wallet. Privacy-conscious users rotate addresses for each transaction; others reuse one address for years. Both work, but reuse makes you trackable.
What it means for you
Two practical rules: (1) Always verify the first and last 4–6 characters when copy-pasting an address — clipboard malware is real and swaps addresses silently. (2) Send a small test amount before any large transfer. The fee is trivial; sending five figures to a typo or a hostile address is unrecoverable.
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Educational content only. Not investment, tax, or legal advice.