Crypto Basics

Types of Stablecoins: A Complete Guide for 2025

Discover the types of stablecoins—fiat-backed, crypto-backed, algorithmic, and commodity-based. Learn how they work, their pros and cons, and which is best for your crypto strategy in 2025.
Token Metrics Team
8 min
MIN

The cryptocurrency market is famous for volatility—Bitcoin can swing by thousands of dollars in a day, and altcoins can rise or crash in hours. But what if you need price stability? That’s where stablecoins come in.

Stablecoins are digital currencies pegged to stable assets like the US dollar, gold, or even algorithmically maintained price levels. They bridge the gap between the speed and efficiency of blockchain technology and the reliability of traditional money.

As of 2025, stablecoins account for over $140 billion in circulating supply, making them essential for traders, investors, and decentralized finance (DeFi) users. But not all stablecoins are the same—different types use different mechanisms to maintain their stability, each with unique pros and cons.

In this guide, we’ll break down the types of stablecoins, how they work, their risks, and which might be best for your needs.

What Are Stablecoins?

A stablecoin is a cryptocurrency designed to maintain a stable value by pegging its price to a reference asset. Most stablecoins are pegged to fiat currencies like the U.S. dollar (e.g., 1 USDT ≈ $1), but some track commodities (like gold) or are algorithmically balanced to hold value.

They are widely used for:

  • Trading: Moving quickly in and out of volatile assets.
  • DeFi: Providing liquidity, borrowing, and earning yields.
  • Remittances: Sending low-cost, fast cross-border payments.
  • Hedging: Protecting against crypto market volatility.

Types of Stablecoins

There are four main types of stablecoins:

  1. Fiat‑Collateralized Stablecoins
  2. Crypto‑Collateralized Stablecoins
  3. Algorithmic (Non‑Collateralized) Stablecoins
  4. Commodity‑Backed Stablecoins

Each has a different method of maintaining its peg. Let’s break them down.

1. Fiat‑Collateralized Stablecoins

Definition:
These are backed 1:1 by traditional currencies like the U.S. dollar, euro, or yen. For every stablecoin issued, an equivalent amount of fiat is held in reserve by a trusted custodian.

How They Work:
If you buy 1 USDC, Circle (its issuer) holds $1 in a regulated bank account or short-term U.S. Treasury securities. When you redeem that stablecoin, the issuer sends you the equivalent amount in fiat and burns the coin.

Examples:

  • Tether (USDT) – Largest stablecoin by market cap; widely used on exchanges.
  • USD Coin (USDC) – Issued by Circle, fully regulated and audited.
  • TrueUSD (TUSD) – Offers real-time attestation of reserves.
  • PayPal USD (PYUSD) – Launched by PayPal for payments and DeFi.

Pros:

  • High stability – Pegged directly to fiat.
  • Transparent – Many provide audits and attestations.
  • Easy adoption – Ideal for traders, merchants, and payment platforms.

Cons:

  • Centralization – Custodians control reserves and can freeze accounts.
  • Regulatory risks – Subject to government oversight.
  • Less transparency for some issuers – (e.g., Tether faced scrutiny over its reserves).

2. Crypto‑Collateralized Stablecoins

Definition:
These are backed by cryptocurrencies like Ethereum or Bitcoin instead of fiat. Because crypto is volatile, these stablecoins are overcollateralized (e.g., $150 in ETH backs $100 in stablecoins).

How They Work:
When you mint a crypto-backed stablecoin like DAI, you deposit collateral (e.g., ETH) into a smart contract. If the collateral value drops too much, the contract automatically liquidates some assets to maintain the peg.

Examples:

  • DAI – Issued by MakerDAO, backed by ETH, USDC, and other assets.


  • sUSD – A synthetic USD issued by Synthetix.
  • MIM (Magic Internet Money) – Collateralized by multiple crypto assets.

Pros:

  • Decentralized – No single company controls reserves.
  • Transparent – All collateral balances are viewable on-chain.
  • Resistant to censorship – Issuers can’t freeze accounts.

Cons:

  • Volatility risk – Collateral can lose value quickly, requiring liquidations.
  • Overcollateralization – Ties up more capital than fiat-backed options.
  • Complexity – Requires understanding of DeFi mechanics.

3. Algorithmic (Non‑Collateralized) Stablecoins

Definition:
These don’t use physical reserves. Instead, they maintain their peg via algorithmic supply adjustments—minting or burning tokens to balance price around $1.

How They Work:
If demand increases and the price rises above $1, the protocol mints more coins. If it falls below $1, the protocol burns coins or incentivizes users to buy them back.

Examples:

  • Ampleforth (AMPL) – Elastic supply adjusts daily.
  • UST (TerraUSD) – Infamously collapsed in 2022 after its peg broke.
  • Frax (FRAX) – Uses a hybrid model: partly collateralized, partly algorithmic.

Pros:

  • Highly capital-efficient – Doesn’t require large reserves.
  • Decentralized – Often governed by smart contracts and DAOs.

Cons:

  • Peg instability – Prone to “death spirals” when market confidence drops.
  • Complex mechanisms – Harder for average users to understand.
  • History of failures – UST/LUNA crash eroded trust in algorithmic coins.

4. Commodity‑Backed Stablecoins

Definition:
These stablecoins are pegged to commodities like gold, silver, or oil, giving them intrinsic value beyond fiat.

How They Work:
For every coin issued, an equivalent amount of the commodity is held in a secure vault. For example, owning 1 PAX Gold (PAXG) means you own 1 troy ounce of physical gold stored by the issuer.

Examples:

  • PAX Gold (PAXG) – Backed by physical gold.


  • Tether Gold (XAUT) – Gold-backed token from Tether.
  • Digix Gold (DGX) – Pegged to gold bars in Singapore vaults.

Pros:

  • Hedge against inflation – Commodities like gold retain value during economic uncertainty.
  • Diversification – Offers exposure to both crypto and commodities.

Cons:

  • Low liquidity – Less widely used than fiat-backed stablecoins.
  • Storage & audit challenges – Requires trust in the issuer to maintain reserves.

Why Do Stablecoins Matter?

Stablecoins are the backbone of DeFi and crypto trading.

  • Trading & arbitrage: They provide a quick way to exit volatile positions without converting back to fiat.
  • Cross-border payments: Cheaper and faster than SWIFT or remittance services.
  • DeFi participation: Essential for lending, borrowing, yield farming, and liquidity pools.
  • On-ramp/off-ramp: They simplify converting between traditional finance and blockchain.

Which Type of Stablecoin Should You Use?

If you want simplicity & security: Go with fiat-backed coins like USDC or PYUSD.

If you value decentralization: Choose crypto-collateralized options like DAI.

If you’re comfortable with high risk: Explore algorithmic models like FRAX (but beware of peg risks).

If you want inflation protection: Consider commodity-backed coins like PAXG.

Key Risks of Stablecoins

  • Regulation: Governments are increasing oversight of fiat-backed coins.
  • Centralization: Some issuers can freeze funds or blacklist wallets.
  • Smart contract risks: DeFi-based stablecoins can suffer from bugs or exploits.
  • Peg breaks: Algorithmic models are especially vulnerable to confidence loss.

The Future of Stablecoins

In 2025, stablecoins are evolving to meet regulatory and market demands:

  • Central Bank Digital Currencies (CBDCs): Governments are issuing digital dollars and euros, potentially competing with stablecoins.
  • Regulated issuers: Projects like USDC are working closely with regulators to ensure compliance.
  • Hybrid models: Combining fiat and algorithmic elements (e.g., Frax) to enhance stability.

As DeFi expands and global adoption grows, stablecoins will remain at the heart of crypto finance.

Final Thoughts

Stablecoins are more than just “digital dollars.” They’re a critical bridge between traditional finance and blockchain innovation.

  • Fiat-backed stablecoins bring stability and ease of use.
  • Crypto-collateralized ones offer transparency and decentralization.
  • Algorithmic models push innovation but carry higher risks.
  • Commodity-backed coins provide a hedge against inflation and diversify exposure.

Choosing the right type depends on your risk tolerance, use case, and trust level. Whether for trading, saving, or participating in DeFi, understanding the types of stablecoins can help you navigate the crypto ecosystem with confidence.

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Research

Understanding Web3: How It Differs From Today's Internet

Token Metrics Team
4
MIN

Introduction

The internet has become an integral part of modern life, continually evolving since its inception. In recent years, a new paradigm called Web3 has emerged, promising to reshape how users interact with digital platforms. This blog post explores the fundamental differences between Web3 and the current internet, often referred to as Web2, to clarify what Web3 entails and its potential impact.

What Is Web3?

Web3 represents the next phase of the internet, built on the principle of decentralization. Unlike the current centralized internet infrastructure, Web3 aims to distribute control away from traditional intermediaries like corporations and governments to users and communities. Key technologies underpinning Web3 include blockchain, decentralized finance (DeFi), non-fungible tokens (NFTs), and decentralized autonomous organizations (DAOs).

At its core, Web3 is designed to empower users to own and control their data, digital assets, and online identities through cryptographic proof rather than relying on centralized entities. This shift holds the promise of enhanced privacy, improved security, and greater transparency across digital services.

How Web3 Differs From the Current Internet

The current internet, or Web2, is characterized by centralized platforms such as social media networks, content-sharing sites, and cloud service providers. These platforms control user data and have significant influence over digital ecosystems. Web3 introduces several pivotal differences:

  • Decentralization: Traditional web services store data on central servers. Web3 applications (dApps) operate on decentralized networks like Ethereum, distributing data across many nodes.
  • Data Ownership and Privacy: In Web3, users have sovereignty over their personal data via cryptographic keys, reducing dependency on intermediaries.
  • Trustless Interactions: Web3 uses smart contracts to automate transactions without requiring trust in a third party, enhancing transparency.
  • Monetization and Incentives: Users can directly monetize their contributions or assets through tokens without relying on platform-controlled advertising models.

Key Technologies Enabling Web3

A few seminal technologies make the Web3 vision feasible:

  1. Blockchain: A distributed ledger technology providing an immutable record of transactions and data accessible to all network participants.
  2. Cryptographic wallets: Tools that allow users to manage private keys securely, facilitating ownership and transaction signing.
  3. Smart contracts: Self-executing contracts with the terms directly written into code, automating agreements and processes without intermediaries.
  4. Decentralized storage: Networks like IPFS provide distributed data hosting, improving resilience and censorship resistance.

These technologies collectively foster environments where decentralized applications can function effectively, distinguishing Web3 from legacy web systems.

Impact of AI Research Tools in Understanding Web3

Analyzing the Web3 space requires comprehensive research and understanding of complex, rapidly evolving technologies. AI-driven research platforms like Token Metrics use machine learning and data analytics to provide insights into blockchain networks, emerging protocols, and token metrics. By leveraging these tools, researchers and enthusiasts can assess technological fundamentals and ecosystem trends in a structured, data-informed manner, facilitating a clearer understanding of Web3 developments.

Practical Considerations for Exploring Web3

For those interested in exploring Web3, keeping the following factors in mind can enhance comprehension and engagement:

  • Focus on fundamentals: Evaluate protocols and projects based on technology, use case, and community involvement.
  • Understand risk: Web3 technologies are experimental and subject to regulatory and technical challenges.
  • Use credible research tools: Platforms like Token Metrics offer analytical data that aid in objective evaluation.
  • Stay informed: The Web3 landscape evolves rapidly, requiring continuous learning and monitoring.

Future Outlook: Web3 vs. Web2

While Web3 promises a more decentralized and user-empowered internet, it is essential to consider practical implications. Adoption hurdles, scalability, user experience, and regulatory frameworks will shape its trajectory. Unlike Web2, which offers convenience and centralized control, Web3 emphasizes autonomy and distributed governance. The future internet may well integrate strengths from both models, providing a hybrid approach that balances user control with usability.

Conclusion

Web3 represents a transformative vision for the internet, aiming to decentralize control and enhance user ownership of data and digital assets. Its key distinctions from the current internet (Web2) include decentralization, trustless interactions, and new economic models. Technologies like blockchain and smart contracts drive these changes, supported by analytical tools such as Token Metrics that aid in navigating this complex environment. As Web3 continues to evolve, understanding its fundamentals remains crucial for anyone interested in the future of the internet.

Disclaimer

This blog post is intended for educational and informational purposes only and does not constitute financial or investment advice. Readers should conduct their own research and consider their risk tolerance before engaging with Web3 technologies or cryptocurrencies.

Research

Understanding Why Blockchain Transactions Are Irreversible

Token Metrics Team
5
MIN

Introduction

The concept of irreversible transactions is a foundational aspect of blockchain technology and cryptocurrencies. Unlike traditional banking systems where transactions can be reversed or disputed, blockchain transactions are designed to be permanent and unalterable once confirmed. This unique feature raises an important question: why are blockchain transactions irreversible? This article delves into the fundamental principles, technological mechanisms, and security frameworks that underpin transaction irreversibility in blockchains. In addition, it highlights how analytical and AI-driven research platforms such as Token Metrics can help users better understand the underlying dynamics.

Basics of Blockchain Transactions

To answer why blockchain transactions are irreversible, it is essential to understand what constitutes a blockchain transaction. At its core, a blockchain is a decentralized and distributed digital ledger of transactions, grouped into blocks and linked through cryptographic hashes.

  • Transaction creation: Users initiate transactions by digitally signing them with private keys, ensuring authenticity and ownership.
  • Broadcast and validation: Transactions are broadcast to a network of nodes, where consensus algorithms validate and verify them based on predefined rules.
  • Inclusion in blocks: Validated transactions are bundled into a block.
  • Linking blocks into a chain: Each block references the previous block through a cryptographic hash, forming a chronological chain.

Once a transaction is included in a confirmed block, it becomes part of the immutable ledger, considered permanent and irreversible.

Role of Immutability and Cryptography

Immutability is the cornerstone of transaction irreversibility. Blockchain achieves immutability using cryptographic techniques and decentralized consensus.

  • Cryptographic hashes: Each block contains a hash of the previous block, creating a tamper-evident chain. Changing any transaction data in a previous block alters its hash and breaks the chain's continuity.
  • Digital signatures: Transactions are signed by senders using private keys, and their validity is verified through public keys.
  • Decentralization: Since multiple nodes maintain copies of the ledger, altering one copy would require overwhelming control over the network to rewrite history, which is prohibitively difficult.

This design ensures that once a transaction is confirmed and embedded in a block, it is computationally infeasible to modify or reverse it without consensus from the majority of the network.

Consensus Mechanisms and Finality

Consensus algorithms play an essential role in determining when transactions are considered final and irreversible.

  • Proof of Work (PoW): In PoW systems like Bitcoin, miners solve complex puzzles to add new blocks. The longer the subsequent chain grows past a block, the more secure and irreversible the transactions within it become, as rewriting would require significant energy expenditure.
  • Proof of Stake (PoS) and others: Other consensus models like PoS, delegated PoS, or Byzantine Fault Tolerant algorithms offer different methods of achieving agreement but similarly provide guarantees on transaction finality.

Network participants generally treat transactions as irreversible after a certain number of confirmations (additional blocks). This requirement reduces risks from temporary forks or reorganizations.

Technical Challenges to Reversing Transactions

Reversing a blockchain transaction would entail rewriting the blockchain history, which is impeded by several technical realities:

  1. Hash chain dependency: Because every block contains the hash of its predecessor, any change would cascade through the chain, invalidating all subsequent blocks.
  2. Network consensus: The majority of nodes must agree on a change, which is practically impossible in secure, well-distributed networks without control of a 51% attack.
  3. Resource expenditure: The computational power and time required to modify past transactions increase exponentially with block depth.

Therefore, even accidental or malicious attempts to reverse a transaction face insurmountable obstacles.

Practical Implications of Irreversibility

The irreversible nature of blockchain transactions carries both benefits and risks.

  • Benefits: Enhanced security against fraud and censorship, fostering trust in decentralized financial systems.
  • Risks: Users need to exercise caution, as mistakes such as sending to incorrect addresses or falling victim to scams cannot be undone.

Understanding these implications is critical for users engaging with blockchain-based systems, and tools like Token Metrics provide data-driven insights to enhance awareness and decision-making.

How AI and Analytics Support Understanding

With the growing complexity of blockchain ecosystems, AI-driven platforms are increasingly valuable for dissecting transaction behaviors and network health.

  • Transaction analysis: AI can identify patterns, potential risks, or anomalies in blockchain activity.
  • Market insights: Analytical tools can augment research on transaction volumes, confirmation times, and network congestion.
  • Educational resources: Platforms such as Token Metrics leverage AI to provide accessible metrics and ratings that inform users about blockchain projects and technologies.

Utilizing these resources supports a better grasp of the irreversible nature of transactions and the broader blockchain infrastructure.

Conclusion

Blockchain transaction irreversibility is rooted in the technology’s core principles of immutability, decentralization, and consensus-driven finality. These mechanisms collectively ensure that once a transaction is recorded on the blockchain and sufficiently confirmed, it cannot be altered or undone without prohibitive computational effort and majority network control. While irreversible transactions provide robust security and trustlessness, they also emphasize the importance of user diligence. Leveraging AI-powered analytical tools like Token Metrics can enhance comprehension and navigational confidence within blockchain ecosystems.

Disclaimer

This article is intended for educational purposes only and does not constitute financial advice. Readers should conduct their own research using varied sources, including specialized platforms such as Token Metrics, before engaging with blockchain or cryptocurrency activities.

Crypto Basics

What Indicators Should I Use for Technical Crypto Analysis?

Token Metrics Team
8 min
MIN

If you’re serious about trading cryptocurrency, technical analysis (TA) is an essential skill. It helps you understand price movements, predict trends, and identify high-probability entry and exit points.

But with hundreds of technical indicators available, one common question is: “Which indicators should I use for technical analysis?”

In this guide, we’ll break down the most effective indicators for crypto trading, explain how they work, and show you how Token Metrics combines them with AI-driven insights to help you trade smarter.

Why Use Technical Indicators in Crypto?

Unlike traditional stocks, cryptocurrency markets trade 24/7, are more volatile, and are largely driven by sentiment and speculation.

Technical indicators help you:

  • Identify trends (bullish or bearish).

  • Pinpoint support and resistance levels.

  • Detect overbought or oversold conditions.

  • Find entry and exit points with better timing.

The key is not using one indicator in isolation but combining multiple tools for confirmation—which is exactly what Token Metrics does with its AI-driven trading signals.

The Most Important Indicators for Technical Analysis

Here are the must-know indicators for crypto traders:

1. Moving Averages (MA & EMA)

What they do:
Moving averages smooth out price data to help you identify overall market direction.

  • Simple Moving Average (SMA): Calculates the average closing price over a set period (e.g., 50-day, 200-day).

  • Exponential Moving Average (EMA): Gives more weight to recent prices, making it more responsive.

How to use them:

  • Golden Cross: When the 50-day MA crosses above the 200-day MA → bullish signal.

  • Death Cross: When the 50-day MA crosses below the 200-day MA → bearish signal.

Best for:
Spotting long-term trends and momentum.

2. Relative Strength Index (RSI)

What it does:
RSI measures price momentum and identifies overbought (70+) or oversold (30-) conditions.

How to use it:

  • Above 70: Asset may be overbought → possible pullback.

  • Below 30: Asset may be oversold → potential bounce.

Best for:
Finding reversal points and confirming trend strength.

3. Moving Average Convergence Divergence (MACD)

What it does:
MACD measures the relationship between two EMAs (usually 12-day and 26-day) and generates buy/sell signals based on crossovers.

How to use it:

  • Bullish crossover: MACD line crosses above the signal line.

  • Bearish crossover: MACD line crosses below the signal line.

Best for:
Spotting trend changes early.

4. Bollinger Bands

What they do:
Bollinger Bands create a price channel around an asset using a moving average plus/minus two standard deviations.

How to use them:

  • Price near upper band: Potential overbought condition.

  • Price near lower band: Potential oversold condition.

  • Band squeeze: Indicates upcoming volatility.

Best for:
Predicting volatility and identifying breakout opportunities.

5. Volume Indicators (OBV & VWAP)

What they do:
Volume indicators confirm price movements and help spot trend strength.

  • On-Balance Volume (OBV): Tracks buying/selling pressure.

  • VWAP (Volume-Weighted Average Price): Shows average price relative to volume.

Best for:
Confirming whether a trend is supported by strong trading volume.

6. Fibonacci Retracement

What it does:
Identifies key support and resistance levels based on Fibonacci ratios (23.6%, 38.2%, 50%, 61.8%, etc.).

How to use it:

  • Place retracement levels between swing highs and lows to find potential pullback or breakout zones.

Best for:
Setting targets and identifying price zones for entries/exits.

7. Stochastic Oscillator

What it does:
Measures price momentum by comparing closing prices to recent price ranges.

How to use it:

  • Above 80: Overbought.

  • Below 20: Oversold.

  • Use crossovers for potential buy/sell signals.

Best for:
Short-term traders looking for momentum shifts.

8. Ichimoku Cloud

What it does:
Provides a complete view of trend, momentum, and support/resistance levels in one indicator.

How to use it:

  • Price above cloud: Bullish.

  • Price below cloud: Bearish.

  • Cloud crossovers: Signal trend reversals.

Best for:
Swing traders who need multi-factor confirmation in one tool.

How Token Metrics Combines Indicators with AI

Instead of manually tracking dozens of indicators, Token Metrics uses AI to analyze 80+ technical, fundamental, and sentiment-based data points for each asset—giving you actionable insights without the guesswork.

Here’s how:

1. AI-Powered Bullish & Bearish Signals

Our system combines RSI, MACD, MAs, and more to generate real-time buy/sell signals.

2. Trader & Investor Grades

  • Trader Grade: Helps short-term traders focus on cryptos with strong technical setups.

  • Investor Grade: Identifies long-term investment opportunities with strong fundamentals.

3. Narrative Detection

Token Metrics tracks emerging narratives (AI tokens, DeFi, etc.) so you can spot trends before they explode.

4. AI-Managed Indices

Don’t want to analyze charts? Our AI-driven indices automatically rebalance portfolios using technical indicators and market conditions.

How to Combine Indicators Effectively

The most successful traders don’t rely on one indicator. Instead, they combine them for confirmation.

Example:

  • Use RSI to spot oversold conditions.

  • Confirm with MACD bullish crossover.

  • Check volume to ensure strong buying pressure.

When multiple indicators align, your trade has a higher probability of success—and Token Metrics does this automatically.

Advanced Tips for Using Indicators

  1. Don’t Overload: Use 3–5 indicators for clarity.

  2. Adjust for Volatility: Crypto is more volatile than stocks—shorten timeframes for faster signals.

  3. Combine With Fundamentals: Use Token Metrics Investor Grades to pair TA with project fundamentals.

  4. Practice Risk Management: Even the best indicators fail—always use stop-loss orders.

Final Thoughts

So, what indicators should you use for technical analysis?

Start with moving averages, RSI, MACD, Bollinger Bands, and Fibonacci levels—then add volume indicators and advanced tools like the Ichimoku Cloud as you gain experience.

But here’s the truth: indicators are only as good as the trader using them. That’s why Token Metrics simplifies the process by combining dozens of technical indicators with AI-powered analysis, giving you clear, actionable insights for smarter trades.

Whether you’re a day trader or a long-term investor, Token Metrics helps you use technical indicators strategically—not emotionally.

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