Start here: what a source of wealth file actually is

Your bank has asked where your crypto came from. Before gathering anything, it helps to know what you are building, because a source of wealth file is not a pile of documents. It is two things, and they do different jobs.

Your claim. What you say happened, in your own words, written before any data arrives. When you first bought, with what money, what happened since, what you hold now, and what you want to do with it. Two pages is usually enough. Nobody else can write this, and it is the part most files are missing.

The evidence pack. Everything that lets a reviewer test that claim without taking your word for it. Not a folder of screenshots you assembled. The accounts and the addresses themselves, and the access that lets the bank pull the data and check it for itself.

The two halves have to agree with each other. That is the whole exercise. A claim with no evidence is a story. Evidence with no claim is a spreadsheet nobody can interpret. Together they are a file.

Your wallets are the key that joins them. The same addresses appear in your claim and in your evidence pack, so some overlap between the two is normal. It is exactly where a reviewer ties what you say to what the data shows.

Step 1: your claim, and two ways to prepare it

• Do it yourself. Start with the how-to guide: how to write the claim, and what goes on each page. It is an easy read, and the first step whichever route you choose. Building the whole claim by hand? The page-by-page version goes further, with the tables to fill in.
• Let CashoutReady build it. CashoutReady connects your exchanges and wallets, reconstructs the history and prepares the claim with every figure already reconciled against the evidence. It points out the wallets and accounts that look missing before a reviewer does. The story is still yours: you read it, correct it and confirm it is your account of what happened. Worth it when the history spans several platforms, wallets or years. That is the work that takes weeks by hand, and where home-made files most often break. Check how ready your file is.

Step 2: your evidence pack

Every wallet and exchange account you have ever used, what a bank may need to understand about each, and the things you should not send unasked. Read the 12 documents your bank will ask for.

If you are doing it yourself and starting from nothing, write the claim first. It is the reference you check every document against, and it is the fastest way to find out what you are missing.