USDC vs USDT: which stablecoin is better for gambling?

USDC and USDT are the two largest dollar stablecoins: crypto tokens designed to keep a steady value of one US dollar each. They let you move dollars on blockchains quickly and cheaply, without the price swings of Bitcoin or ETH.

USDT (Tether)

USDT was launched in 2014 by Tether, a company connected to the Bitfinex exchange. It is the oldest and largest stablecoin and is used heavily on exchanges around the world, especially outside the US.

USDC (USD Coin)

USDC was launched in 2018 by Circle, originally with Coinbase through the Centre consortium. Circle is now the sole issuer. USDC is widely used in US-facing apps and in decentralised finance.

How they keep their value

Both issuers say every token is backed by reserves, mainly cash and short-term US government bonds, and that eligible customers can redeem tokens for dollars. Arbitrage keeps the market price close to $1: if a token trades below $1, traders buy it and redeem it; if above, they mint and sell.

For gambling, a stablecoin means your balance stays about the same in dollar terms while you are not playing. Our USDC casino guide covers why that matters.

The biggest difference between the two is how much they disclose about their reserves.

USDC

Circle publishes monthly reserve attestations by a major accounting firm and a breakdown of holdings. Most USDC reserves are held in a fund managed by BlackRock and registered with the US Securities and Exchange Commission. Circle is licensed as a money transmitter in many US states and, in the EU, issues USDC under the MiCA stablecoin rules.

USDT

Tether publishes quarterly attestations of its reserves. It holds mostly US Treasury bills, with some other assets such as gold, Bitcoin and secured loans. In 2021, Tether reached settlements with the New York Attorney General and the US Commodity Futures Trading Commission over earlier claims that USDT was fully backed by dollars at all times. It has since increased its reporting.

What this means for you

• USDC offers more detailed and more frequent disclosure and more regulatory oversight.
• USDT is larger and deeply liquid, but relies more on trust in its issuer.
• Neither is a bank deposit, and neither is covered by deposit insurance.

For small gaming balances held briefly, both have historically stayed close to $1. For larger holdings, transparency matters more.

A depeg is when a stablecoin trades noticeably away from $1.

USDC in March 2023

When Silicon Valley Bank failed in March 2023, Circle disclosed that about $3.3 billion of USDC reserves were held there. USDC briefly traded well below $1 over a weekend. After US authorities guaranteed the bank's deposits, USDC returned to $1 within days.

USDT episodes

USDT has had brief dips at times of market stress, including in 2018 and in May 2022 during the collapse of the TerraUSD stablecoin, when it traded slightly below $1 for a short time before recovering.

Lessons

• Both have recovered from stress events so far.
• Depegs tend to be short but can be sharp.
• Stablecoins reduce price risk; they do not eliminate it.

For gambling

If you deposit a stablecoin at a site that credits a dollar balance, the site usually treats one token as one dollar. On PVPspinArena, balances are held in US dollar cents, so a 10 USDC deposit is credited as $10.00. Keeping only your current gaming budget in any stablecoin limits your exposure to rare depeg events.

Both stablecoins exist on many blockchains, and each version is a separate token.

Where they live

• USDT is common on Tron, Ethereum and several other chains. Tron is especially popular for USDT because transfers are cheap.
• USDC is common on Ethereum, Base, Solana, Arbitrum and others. Circle issues it natively on each supported chain.

Why it matters

A USDC transfer on Base only arrives at a Base address and only shows in a wallet connected to Base. USDT on Tron uses a completely different address format from Ethereum-style chains. Sending on the wrong network, or the wrong token, is the most common way players lose stablecoins.

Fees

Fees depend on the network, not the token. On Base, transfers usually cost a fraction of a cent to a few cents, paid in ETH. On Ethereum mainnet, fees can be much higher. On Tron, fees are paid with TRX or network resources.

Moving between networks

Circle's Cross-Chain Transfer Protocol lets USDC move natively between supported chains. Moving USDT between chains usually means going through an exchange or a bridge, each with its own risks.

Our guide to adding Base to MetaMask shows how to set up Base.

Which stablecoin a casino accepts often decides the question for you.

USDT

USDT is accepted by a very large share of crypto casinos, especially those serving players outside the US, and often on Tron as well as Ethereum-style networks.

USDC

USDC is common at sites built on Ethereum and its layer-2 networks such as Base, and at sites that prefer more regulated assets.

PVPspinArena

PVPspinArena accepts USDC and ETH on Base mainnet. It does not accept USDT. If you hold USDT, you can swap it for USDC on an exchange and withdraw the USDC on Base to your own wallet. Our how to buy USDC guide walks through this.

A warning about sending the wrong token

If a site only accepts USDC and you send USDT to its deposit address, the transfer may arrive on-chain but will not be credited automatically, and recovery may be slow or impossible. Always check the exact token and network on the deposit page.

• Issuer: USDC, Circle. USDT, Tether.
• Launched: USDC, 2018. USDT, 2014.
• Size: USDT is larger by market capitalisation; USDC is second.
• Reserve reports: USDC, monthly attestations with detailed holdings. USDT, quarterly attestations.
• Reserve assets: USDC, cash and short-term US Treasuries. USDT, mostly US Treasuries plus some other assets.
• Regulation: USDC, US state licences and EU MiCA authorisation. USDT, more limited, with its main entity outside the US.
• Popular networks: USDC, Ethereum, Base, Solana, Arbitrum. USDT, Tron, Ethereum and others.
• Notable depeg: USDC, March 2023 bank failure, recovered. USDT, brief dips in 2018 and 2022, recovered.
• Casino acceptance: USDT, very broad. USDC, broad on Ethereum-style networks.

Figures such as market capitalisation change constantly, so check a current market data site for up-to-date numbers.

For most players the answer depends on three questions.

1. What does the site accept?

This matters most. Use a token and network the site lists on its deposit page. Anything else risks losing funds.

2. What can you buy and withdraw easily?

Check which stablecoin your exchange lets you buy cheaply and withdraw on the right network. Some exchanges offer USDC on Base directly, which is ideal for Base-based sites.

3. How much transparency do you want?

If you prefer a stablecoin with more frequent reporting and closer regulatory oversight, USDC is the stronger choice. If you mainly value broad acceptance, USDT has the edge.

Practical tips

• Keep only your current gambling budget in a stablecoin used for gaming.
• Always send a small test amount the first time.
• Keep a little of the network's gas token, such as ETH on Base.
• Withdraw winnings back to your own wallet rather than leaving them on a site.

If you plan to play on PVPspinArena, you will need USDC or ETH on Base in a wallet you control. Our crypto wallet for gambling guide covers setup, and how it works explains how deposits become a dollar balance and how withdrawals are processed. You can also check any game result on the Fairness page before you deposit anything.

If you hold USDT and want to play on a site that accepts USDC, switching is straightforward.

1. Send your USDT to an exchange that supports both tokens, using a network the exchange accepts for USDT deposits.
2. Trade USDT for USDC. Many exchanges offer a direct USDT/USDC market with a very small spread, because both are worth about a dollar.
3. Withdraw the USDC on Base to your own wallet. Check the network name carefully.
4. Keep a little ETH on Base so you can send the USDC onward.

Costs

You will usually pay a small trading fee and network fees on both the deposit and the withdrawal. Compare these with the amount you are moving; for very small balances, fees can take a noticeable share.

Swapping in your wallet

If you are comfortable with decentralised exchanges, you can also swap USDT for USDC directly on a network where both exist. Check that you are using a reputable exchange interface, review the rate and slippage, and be aware that swaps usually require a token approval, which you should limit to the amount you are swapping.

Keep records

Swapping one crypto asset for another can be a taxable event in some countries, even between stablecoins. Keep a record of each trade.

USDC and USDT are the two largest dollar stablecoins. Both aim for $1 and are backed mainly by cash and US Treasuries. USDC, from Circle, offers more frequent, detailed reserve reports and wider regulatory oversight. USDT, from Tether, is larger and more widely accepted, particularly on Tron.

Both have briefly lost their peg under stress and recovered. Both exist on many networks, and the network you send on must match the site's. For gambling, the best choice is simply the one your site supports: on PVPspinArena that is USDC on Base. Keep only your gaming budget in it and always test with a small transfer first.

More crypto payments reading lives in our Crypto payments guides.