Stablecoins
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Stablecoins
What Is a Stablecoin and How Does It Work?
Contents
01
The problem stablecoins solve
02
How stablecoins hold their value
03
Why people use stablecoins
04
What stablecoins are not
05
USDT vs USDC: which one should you use?
06
Frequently asked questions
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01
The problem stablecoins solve
Regular cryptocurrencies like Bitcoin and Ethereum are volatile. Their prices go up and down dramatically, sometimes by 10% or 20% in a single day. That makes them exciting for traders but difficult to use as a practical store of value or a medium for everyday transactions.
If you convert your savings to Bitcoin today and the price drops 30% next month, you have lost 30% of your savings. That is not a useful financial tool for someone trying to protect the value of their money.
Stablecoins solve this by pegging their value to a stable external reference, almost always the US dollar. One USDT is always worth $1. One USDC is always worth $1. The price does not go up and does not go down. What you put in is what stays there.
02
How stablecoins hold their value
Different stablecoins use different mechanisms to maintain their peg, but the most widely used ones work through collateral: real assets held in reserve to back every coin in circulation.
USDT, the largest stablecoin by volume, is backed by a mix of cash, US treasury bonds, and other assets held by Tether. For every USDT in circulation, Tether holds at least $1 in reserve assets.
USDC, issued by Circle, works similarly but with a stricter reserve policy. Every USDC is backed exclusively by cash and short-term US government bonds, and Circle publishes monthly third-party audits confirming this.
The mechanism is designed so that if every holder decided to cash out simultaneously, the issuer could cover it.
03
Why people use stablecoins
For many people around the world, a stablecoin is not just a crypto product. It is a practical financial tool that solves real problems.
It lets you hold dollars without a US bank account. It lets you send money internationally in minutes for a fraction of what a wire transfer costs. It protects the value of your savings from local currency fluctuations without requiring you to take on the volatility of Bitcoin. And it is accessible to anyone with a smartphone and an internet connection, regardless of their access to traditional banking.
This combination of accessibility, stability, and low transfer costs is why stablecoin adoption has grown faster than almost any other segment of crypto.
04
What stablecoins are not
Stablecoins are not investments. They do not grow in value. Holding USDT will not make you money because $1 in is $1 out. They are a savings and transfer tool, not a wealth-building tool.
They are also not completely without risk. The issuer could theoretically fail to maintain reserves, though this has not happened with the major stablecoins. Regulatory changes could also affect how they operate in certain jurisdictions. These risks are real but, for most practical purposes, small compared to holding cash in a volatile local currency.
05
USDT vs USDC: which one should you use?
Both are reliable. USDT has higher liquidity on most exchanges globally, meaning it is easier to buy, sell, and trade. USDC has more transparent reserves and is preferred by some businesses for that reason. For most everyday users, USDT is the more practical starting point. Read our full comparison: USDT vs USDC for emerging markets
06
Frequently asked questions
Can I lose money holding a stablecoin?
In theory, yes, if the issuer fails to maintain its reserves or if there is a regulatory event affecting the coin. In practice, the major stablecoins like USDT and USDC have maintained their pegs through multiple market crises.
Do stablecoins earn interest?
Not by themselves. Some platforms offer yield products where you can earn interest by lending your stablecoins. These come with additional risk and should be researched carefully before using.
Are stablecoins taxable?
Holding stablecoins is typically not a taxable event. Selling or exchanging them may be. Tax rules vary by country so check the regulations in your location.