Where "How to deposit crypto casino?" is concerned, one rule covers most of it: every detail must line up before coins are sent. A coin deposit travels on a public network, and the casino only sees it once that network has confirmed the transfer. The coin, the network it runs on, the address and sometimes a memo all have to match what the deposit page shows. Most failed crypto payments come from a mismatch in one of those details, and very few can be undone once sent.
Many coins exist on more than one network, and a casino usually accepts each coin on only one or two of them. The deposit page names the network next to the deposit address, and a wallet must send on exactly that network. Coins sent on a different network can arrive at an address the casino does not watch, and recovering them depends entirely on the goodwill and tools of its payment team, when recovery is possible at all.
Every transfer pays a fee to the network, set by demand at the moment of sending and paid by the sender. The casino may add its own charge on withdrawals, and it sets a minimum deposit for each coin. Coins sent below that minimum are often never credited, because processing them would cost more than they are worth. On a crowded network the fee alone can swallow a small deposit, so the timing of a transfer matters too.
A transfer is credited after the network has confirmed it a set number of times, and the casino decides how many confirmations it waits for. On a fast network that takes seconds; on a busy or slower one it can take an hour or more. A deposit that shows as sent in the wallet but not yet in the account is usually still collecting confirmations, and the transaction hash lets anyone follow its progress on a public explorer.
More questions
Who pays the network fee on a coin transfer?
The sender pays it at the moment of sending, and its size depends on how much demand the network faces right then.
What happens to coins sent below the minimum deposit?
Undersized deposits are often never credited, because processing them would cost the casino more than the coins are worth.
When is a crypto deposit credited to the account?
After the network confirms the transfer a set number of times, which the casino chooses; that takes seconds on fast networks and an hour or more on busy ones.
What is a memo or destination tag for?
Some networks need it to tell the casino which account the coins belong to; without it, the transfer waits for support to match it manually.
Why keep the transaction hash of a deposit?
The hash lets anyone follow the transfer on a public block explorer and gives support the reference it needs to trace a missing payment.