What Is Crypto Proof of Funds? A Plain English Guide

Proof of funds is a simple idea: show that you have the money. In crypto it gets tricky, because the money lives at an address anyone can look up, but nobody can tell who owns it.
The short definition
Crypto proof of funds is evidence that you control a wallet holding at least a certain amount of an asset at a given time.
The common methods
Screenshots: quick, but they can be edited and prove nothing.
Sharing the wallet address: checkable, but exposes everything.
Signed messages: a technical proof that you control an address, which still reveals the address and is awkward for most people.
Formal certificates: documents from a service, often paid, for institutions.
Receipt links like pof.lol: send a tiny payment from the wallet and share a page showing the verified balance without the address.

What good proof has
It shows control of the wallet, a checked balance, a date, and it is easy for the other side to open and understand.
Why privacy belongs in the definition
Proving you have money should not mean publishing your financial life. A good method answers the question and nothing more.
Where it is used
OTC and P2P deals, marketplaces, communities, giveaways, whitelists, bragging rights and a lot of friendly competition.
Remember the date
A pof.lol receipt is a snapshot of the balance at the moment you made the proof. It is not a live balance and it does not promise the funds are still there later.
FAQ
Is proof of funds the same as proof of reserves?
No. Proof of reserves is about exchanges proving they hold customer assets. This is about individuals.
Does a receipt work for any coin?
pof.lol supports BTC, ETH, LTC, SOL and TON.
Do I need technical skills?
No. You send a small payment and get a link.