Lucky and unlucky numbers in Chinese culture
Eight for prosperity, four to be avoided, nine for long life. Many 4D players choose numbers by their meaning. Where those meanings come from, digit by digit.
22 December 2025
The journal
How the game works, written out
Straight answers about the draw, the odds and your money — from the people who built it. No tips, no systems, no lucky numbers.
Deposit limits and time-outs: the tools, and when to use them
Your account has controls you can set on yourself: deposit limits, a play reminder, a short time-out and a long self-exclusion. What each one does, and the rules that make them hold.
18 December 2025
How the invite reward works
When a friend joins with your link, you both receive a reward to play with. What the reward is, where it goes, what it can be used for, and the rules that keep it fair.
14 December 2025
The most expensive mistake in crypto: sending on the wrong network
A transfer sent on the wrong network does not bounce back. It either never arrives or arrives somewhere that is very hard to reach. Here is how it happens and how to make sure it never happens to you.
3 December 2025
Fixed prizes: why your payout is set before the draw
Some number games split a prize pool between everybody who wins. fourdigits does not: every prize is a fixed multiple of your stake, known before you buy. What that means for you.
29 November 2025
Choosing an exchange to buy USDT
To play you first need USDT or USDC, and most people buy it on an exchange. What to look for in one, and the checks worth making before you send it any money.
18 November 2025
How to spot a fake fourdigits site or a fake support agent
Scammers copy popular sites and pretend to be their staff. The address bar, a few habits and one simple rule protect you from nearly all of it.
14 November 2025
What your ticket costs: five worked examples
Straight is one number at one price. Box is one price for every arrangement of your digits, and the count depends on repeats. Five tickets, worked through line by line.
3 November 2025
Big and Small: the classic 4D bets explained
Anyone who has played traditional 4D has met Big and Small forecasts. What they are, how they differ, and how they relate to the tickets on fourdigits.
30 October 2025
Recovery codes: the key you hope never to use
When you turn on two-factor authentication you get ten recovery codes. What they are for, where to keep them, and what happens when you use one.
19 October 2025
Set your budget before you pick a number
The best time to decide how much to spend is before the first ticket, not after the fifth. A simple way to set a budget that holds, and the tools that hold it for you.
8 October 2025
Your first deposit, step by step
Moving USDT or USDC into your fourdigits Wallet takes a couple of minutes. Here is each step, in order, including the two checks that matter.
4 October 2025