Crypto Basics

Ledger Cold Wallet Review - Features, Pricing and Alternatives

Get an in-depth review of Ledger cold wallet in this comprehensive guide. Explore its features, pricing, and top alternatives to make an informed choice.
S. Vishwa
6 Minutes
MIN

In an age where digital assets are becoming increasingly popular, securing these assets becomes a top priority. A key solution to this challenge is the use of cold wallets, specifically hardware wallets, to ensure the safety of our digital treasures. 

But, what a cold wallet is? In the crypto space, a cold wallet refers to any cryptocurrency wallet that is not connected to the internet. Its primary purpose is to provide a security layer against online threats and unauthorized access.

One of the pioneers and leaders in this space is Ledger. In this comprehensive review, we delve into the features, pricing, and alternatives to the Ledger cold wallet.

What is a Ledger Wallet?

The Ledger Wallet is a hardware device specially designed to offer unparalleled security for cryptocurrency enthusiasts. 

Unlike online or software wallets, which are always connected to the internet and thus vulnerable to cyber threats, Ledger Wallets function offline, safeguarding users' private keys in an isolated environment. 

Crafted with a blend of state-of-the-art technology and user-friendly interfaces, these wallets empower users to store, manage, and transact digital assets with peace of mind. 

Given the surge in digital currency adoption, Ledger Wallets are a testament to the evolving need for both accessibility and paramount security in the crypto domain.

Key Features of Ledger Wallet

Security -

  • Physical Protection: Ledger wallets, such as the Ledger Nano S Plus and Nano X, come with a secure chip, similar to what's found in passports and payment cards.
  • Private Key Isolation: Your private keys never leave the device, ensuring they aren't exposed to online vulnerabilities.
  • PIN Protection: A personalized PIN code ensures that even if someone steals your Ledger, they can't access its content without the PIN.

Multi-Currency Support - Ledger supports over 1,500 cryptocurrencies. This vast range ensures that both popular and less known coins can be securely stored.

User-Friendly Interface - Ledger Live, the accompanying software, provides a clear and intuitive interface, simplifying the management of your crypto assets.

Backup & Restoration - Each Ledger device offers a recovery phrase, allowing you to restore your assets if you lose the device.

Portability - Ledger devices are compact and can be easily carried around, ensuring your assets are always within reach.

How Ledger Wallet Works?

The Ledger Wallet operates as a physical barrier between your cryptocurrencies and potential online threats. 

When a transaction is initiated, the wallet's internal secure chip generates a cryptographic operation, keeping the private keys isolated and never exposing them to the internet. 

To confirm a transaction, users interact directly with the Ledger device, ensuring an added layer of manual verification. 

Moreover, with the accompanying Ledger Live software, users can seamlessly manage their assets, track portfolios, and execute transactions. 

In essence, the Ledger Wallet acts as a secure bridge, allowing users to engage with the digital world while keeping their assets offline and safeguarded.

Ledger Wallets Price

The Ledger Nano S Plus, a staple in the crypto community, is a tried-and-tested model. Recognized for its reliability, it is currently available at a competitive price of around $79. 

On the other hand, the Ledger Nano X, the brand's latest offering, boasts advanced features. Beyond its core security functions, it introduces wireless connectivity through Bluetooth. 

This enhancement, combined with its modern design, justifies its price tag of approximately $149. Both models underscore Ledger's commitment to providing top-tier crypto protection solutions at varying price points.

Ledger Support

One of the standout features of Ledger is its dedicated customer support. With a rapidly expanding user base, Ledger remains committed to ensuring that every user query is addressed promptly. 

Their extensive online knowledge base, complete with tutorials and FAQs, equips users to troubleshoot common issues. Additionally, for more specific concerns, Ledger's support team is readily accessible via email. 

Their professionalism and responsiveness have cemented Ledger's reputation not only as a secure wallet provider but also as a company that genuinely values its users' experience.

Pros and Cons of Ledger Wallet

Let's break down its strengths and areas where it might fall short:

Pros

  • Robust Security - With a dedicated secure chip, Ledger wallets ensure that private keys remain isolated from online threats.
  • Multi-Currency Support - Ledger supports a vast array of cryptocurrencies, catering to both mainstream and niche coin holders.
  • User-Friendly Interface - The associated Ledger Live software offers an intuitive experience, making asset management straightforward even for beginners.
  • Durability - Designed with top-tier materials, Ledger devices promise longevity and resistance to wear and tear.
  • Portable Design - Compact in size, Ledger wallets can be conveniently carried, making them perfect for users on the go.

Cons

  • Price - For some, the cost of Ledger devices, especially the advanced models, might be a deterrent compared to other wallet options.
  • Learning Curve - While user-friendly, newcomers to the crypto sphere might need some time to familiarize themselves with the device's functionalities.
  • Bluetooth Concerns - Some users have voiced reservations about the Bluetooth feature in Ledger Nano X, citing potential security risks, though the company ensures the feature's safety.

Top Alternatives to Ledger Wallet

While Ledger has made a name for itself, there are other notable competitors in the market:

Trezor - A well-known brand, Trezor offers two models - Trezor One and Trezor Model T. Both provide strong security features and multi-currency support. 

Prices range from $69 to $219 depending on the model and features.
Also Check - Trezor Wallet Latest Offerings

KeepKey - Priced at around $49, it's a reliable and user-friendly device, though it supports fewer cryptocurrencies than Ledger or Trezor.

Frequently Asked Questions

Q1. How often does Ledger release firmware updates for its devices?

Ledger regularly rolls out firmware updates to enhance device security and add new features. Users are advised to periodically check and update to the latest version.

Q2. Can I use the Ledger Wallet on multiple computers?

Yes, the Ledger Wallet can be connected to and used on different computers. Your assets remain safe, thanks to the device's secure design.

Q3. What happens if I lose my Ledger Wallet?

If lost or stolen, your assets remain protected due to the PIN security. It's vital, however, to have your recovery phrase securely stored, which can be used to restore your assets on a new device.

Q4. Is there a mobile app for Ledger?

Yes, Ledger Live has a mobile version available for both Android and iOS, offering users flexibility in managing their assets on the go.

Q5. Can Ledger wallets interact with decentralized applications (DApps)?

Absolutely! Ledger devices can connect to various DApps using compatible software like MetaMask or MyEtherWallet.

Q6. Do Ledger Wallets require battery charging?

The Ledger Nano S doesn't have a battery; it's powered through its USB connection. The Ledger Nano X, however, comes with a built-in battery that requires charging.

Q7. Is Ledger compatible with other wallet software?

Yes, besides Ledger Live, Ledger devices can integrate with a variety of third-party wallet software, providing users with flexibility in managing their digital assets.

Conclusion: Is Ledger Wallet Right for You?

When it comes to securing your digital assets, hardware wallets, or cold wallets, are among the best choices. Ledger stands out with its robust security features and diverse currency support. 

Yet, the crypto landscape is vast and varied, and one size doesn't fit all. While Ledger's holistic approach caters to many, alternatives like Trezor or KeepKey might align better with specific needs. 

The crux is personalized research: understanding one's crypto portfolio, weighing security against usability, and considering future digital investments. 

It's not just about picking a hardware wallet; it's about choosing the right guardian for your digital treasures. Remember, in crypto, knowledge and security go hand in hand.

Disclaimer

The information provided on this website does not constitute investment advice, financial advice, trading advice, or any other sort of advice and you should not treat any of the website's content as such.

Token Metrics does not recommend that any cryptocurrency should be bought, sold, or held by you. Do conduct your own due diligence and consult your financial advisor before making any investment decisions.

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Token Metrics API vs. CoinGecko API: Which Crypto API Should You Choose in 2025?

Token Metrics Team
7 min
MIN

As the crypto ecosystem rapidly matures, developers, quant traders, and crypto-native startups are relying more than ever on high-quality APIs to build data-powered applications. Whether you're crafting a trading bot, developing a crypto research platform, or launching a GPT agent for market analysis, choosing the right API is critical.

Two names dominate the space in 2025: CoinGecko and Token Metrics. But while both offer access to market data, they serve fundamentally different purposes. CoinGecko is a trusted source for market-wide token listings and exchange metadata. Token Metrics, on the other hand, delivers AI-powered intelligence for predictive analytics and decision-making.

Let’s break down how they compare—and why the Token Metrics API is the superior choice for advanced, insight-driven builders.

🧠 AI Intelligence: Token Metrics Leads the Pack

At the core of Token Metrics is machine learning and natural language processing. It’s not just a data feed. It’s an AI that interprets the market.

Features exclusive to Token Metrics API:

  • Trader Grade (0–100) – Short-term momentum score based on volume, volatility, and technicals
  • Investor Grade (0–100) – Long-term asset quality score using fundamentals, community metrics, liquidity, and funding
  • Bullish/Bearish AI Signals – Real-time alerts based on over 80 weighted indicators
  • Sector-Based Smart Indices – Curated index sets grouped by theme (AI, DeFi, Gaming, RWA, etc.)
  • Sentiment Scores – Derived from social and news data using NLP
  • LLM-Friendly AI Reports – Structured, API-returned GPT summaries per token
  • Conversational Agent Access – GPT-based assistant that queries the API using natural language

In contrast, CoinGecko is primarily a token and exchange aggregator. It offers static data: price, volume, market cap, supply, etc. It’s incredibly useful for basic info—but it lacks context or predictive modeling.

Winner: Token Metrics — The only crypto API built for AI-native applications and intelligent automation.

🔍 Data Depth & Coverage

While CoinGecko covers more tokens and more exchanges, Token Metrics focuses on providing actionable insights rather than exhaustively listing everything.

Feature                                                   Token Metrics API                                    CoinGecko API

Real-time + historical OHLCV              ✅                                                          ✅

Trader/Investor Grades                        ✅ AI-powered                                     ❌

Exchange Aggregation                         ✅ (Used in indices, not exposed)     ✅

Sentiment & Social Scoring                  ✅ NLP-driven                                     ❌

AI Signals                                               ✅                                                         ❌

Token Fundamentals                            ✅ Summary via deepdive         ⚠️ Limited

                                                                        endpoint

NFT Market Data                                  ❌                                                          ✅

On-Chain Behavior                               ✅ Signals + Indices                   ⚠️ Pro-only (limited)

If you're building something analytics-heavy—especially trading or AI-driven—Token Metrics gives you depth, not just breadth.

Verdict: CoinGecko wins on broad metadata coverage. Token Metrics wins on intelligence and strategic utility.

🛠 Developer Experience

One of the biggest barriers in Web3 is getting devs from “idea” to “prototype” without friction. Token Metrics makes that easy.

Token Metrics API Includes:

  • SDKs for Python, Node.js, and Postman
  • Quick-start guides and GitHub sample projects
  • Integrated usage dashboard to track limits and history
  • Conversational agent to explore data interactively
  • Clear, logical endpoint structure across 21 data types

CoinGecko:

  • Simple REST API
  • JSON responses
  • Minimal docs
  • No SDKs
  • No built-in tooling (must build from scratch)

Winner: Token Metrics — Serious devs save hours with ready-to-go SDKs and utilities.

📊 Monitoring, Quotas & Support

CoinGecko Free Tier:

  • 10–30 requests/min
  • No API key needed
  • Public endpoints
  • No email support
  • Rate limiting enforced via IP

Token Metrics Free Tier:

  • 5,000 requests/month
  • 1 request/min
  • Full access to AI signals, grades, rankings
  • Telegram & email support
  • Upgrade paths to 20K–500K requests/month

While CoinGecko’s no-login access is beginner-friendly, Token Metrics offers far more power per call. With just a few queries, your app can determine which tokens are gaining momentum, which are losing steam, and how portfolios should be adjusted.

Winner: Token Metrics — Better for sustained usage, scaling, and production reliability.

💸 Pricing & Value

Plan Feature                CoinGecko Pro            Token Metrics API

Entry Price                  ~$150/month                $99/month

AI Grades & Signals            ❌                               ✅ 

Sentiment Analytics            ❌                               ✅

Sector Index Insights          ❌                               ✅

NLP Token Summaries       ❌                                ✅

Developer SDKs                  ❌                                ✅

Token-Based Discounts     ❌                                ✅ (up to 35% with $TMAI)

For what you pay, Token Metrics delivers quant models and intelligent signal streams — not just raw price.

Winner: Token Metrics — Cheaper entry, deeper value.

🧠 Use Cases Where Token Metrics API Shines

  • Trading Bots
    Use Trader Grade and Signal endpoints to enter/exit based on AI triggers.
  • GPT Agents
    Generate conversational answers for “What’s the best AI token this week?” using structured summaries.
  • Crypto Dashboards
    Power sortable, filtered token tables by grade, signal, or narrative.
  • Portfolio Rebalancers
    Track real-time signals for tokens held, flag risk zones, and show sector exposure.
  • LLM Plugins
    Build chat-based investment tools with explainability and score-based logic.

🧠 Final Verdict: CoinGecko for Info, Token Metrics for Intelligence

If you're building a crypto price tracker, NFT aggregator, or exchange overview site, CoinGecko is a solid foundation. It’s reliable, broad, and easy to get started.

But if your product needs to think, adapt, or help users make better decisions, then Token Metrics API is in another class entirely.

You're not just accessing data — you're integrating AI, machine learning, and predictive analytics into your app. That’s the difference between showing the market and understanding it.

🔗 Ready to Build Smarter?

  • ✅ 5,000 free API calls/month
  • 🤖 Trader & Investor Grades
  • 📊 Live Bull/Bear signals
  • 🧠 AI-powered summaries and GPT compatibility
  • ⚡ 21 endpoints + Python/JS SDKs

👉 Start with Token Metrics API

Research

Python Quick-Start with Token Metrics: The Ultimate Crypto Price API

Token Metrics Team
10 min
MIN

If you’re a Python developer looking to build smarter crypto apps, bots, or dashboards, you need two things: reliable data and AI-powered insights. The Token Metrics API gives you both. In this tutorial, we’ll show you how to quickly get started using Token Metrics as your Python crypto price API, including how to authenticate, install the SDK, and run your first request in minutes.

Whether you’re pulling live market data, integrating Trader Grades into your trading strategy, or backtesting with OHLCV data, this guide has you covered.

🚀 Quick Setup for Developers in a Hurry

Install the official Token Metrics Python SDK:

pip install tokenmetrics

Or if you prefer working with requests directly, no problem. We’ll show both methods below.

🔑 Step 1: Generate Your API Key

Before anything else, you’ll need a Token Metrics account.

  1. Go to app.tokenmetrics.com/en/api
  2. Log in and navigate to the API Keys Dashboard
  3. Click Generate API Key
  4. Name your key (e.g., “Development”, “Production”)
  5. Copy it immediately — keep it secret.

You can monitor usage, rate limits, and quotas right from the dashboard. Track each key’s status, last used date, and revoke access at any time.

📈 Step 2: Retrieve Crypto Prices in Python

Here’s a simple example to fetch the latest price data for Ethereum (ETH):

import requests

API_KEY = "YOUR_API_KEY"

headers = {"x-api-key": API_KEY}

url = "https://api.tokenmetrics.com/v2/daily-ohlcv?symbol=ETH&startDate=<YYYY-MM-DD>&endDate=<YYYY-MM-DD>"

response = requests.get(url, headers=headers)

data = response.json()

for candle in data['data']:

    print(f"Date: {candle['DATE']} | Close: ${candle['CLOSE']}")

You now have a working python crypto price API pipeline. Customize startDate or endDate to get specific range of historical data.

📊 Add AI-Powered Trader Grades

Token Metrics’ secret sauce is its AI-driven token ratings. Here’s how to access Trader Grades for ETH:

grade_url = "https://api.tokenmetrics.com/v2/trader-grades?symbol=ETH&limit=30d"

grades = requests.get(grade_url, headers=headers).json()['data']

for day in grades:

    print(f"{day['DATE']} — Trader Grade: {day['TA_GRADE']}")

Use this data to automate trading logic (e.g., enter trades when Grade > 85) or overlay on charts.

🔁 Combine Data for Backtesting

Want to test a strategy? Merge OHLCV and Trader Grades for any token:

import pandas as pd

ohlcv_df = pd.DataFrame(data['data'])

grades_df = pd.DataFrame(grades)

combined_df = pd.merge(ohlcv_df, grades_df, on="DATE")

print(combined_df.head())

Now you can run simulations, build analytics dashboards, or train your own models.

⚙️ Endpoint Coverage for Python Devs

  • /daily-ohlcv: Historical price data
  • /trader-grades: AI signal grades (0–100)
  • /trading-signals: Bullish/Bearish signals for short and long positions.
  • /sentiment: AI-modeled sentiment scores
  • /tmai: Ask questions in plain English

All endpoints return structured JSON and can be queried via requests, axios, or any modern client.

🧠 Developer Tips

  • Each request = 1 credit (tracked in real time)
  • Rate limits depend on your plan (Free = 1 req/min)
  • Use the API Usage Dashboard to monitor and optimize
  • Free plan = 5,000 calls/month — perfect for testing and building MVPs

💸 Bonus: Save 35% with $TMAI

You can reduce your API bill by up to 35% by staking and paying with Token Metrics’ native token, $TMAI. Available via the settings → payments page.

🌐 Final Thoughts

If you're searching for the best python crypto price API with more than just price data, Token Metrics is the ultimate choice. It combines market data with proprietary AI intelligence, trader/investor grades, sentiment scores, and backtest-ready endpoints—all in one platform.

✅ Real-time & historical data
✅ RESTful endpoints
✅ Python-ready SDKs and docs
✅ Free plan to start building today

Start building today → tokenmetrics.com/api

Looking for SDK docs? Explore the full Python Quick Start Guide

Research

Crypto API to Google Sheets in 5 Minutes: How to Use Token Metrics API with Apps Script

Token Metrics Team
6 min
MIN

If you're a trader, data analyst, or crypto enthusiast, chances are you've wanted to pull live crypto data directly into Google Sheets. Whether you're tracking prices, building custom dashboards, or backtesting strategies, having real-time data at your fingertips can give you an edge.

In this guide, we'll show you how to integrate the Token Metrics API — a powerful crypto API with free access to AI-powered signals — directly into Google Sheets in under 5 minutes using Google Apps Script.

📌 Why Use Google Sheets for Crypto Data?

Google Sheets is a flexible, cloud-based spreadsheet that:

  • Requires no coding to visualize data
  • Can be shared and updated in real time
  • Offers formulas, charts, and conditional formatting
  • Supports live API connections with Apps Script

When combined with the Token Metrics API, it becomes a powerful dashboard that updates live with Trader Grades, Bull/Bear Signals, historical OHLCV data, and more.

🚀 What Is Token Metrics API?

The Token Metrics API provides real-time and historical crypto data powered by AI. It includes:

  • Trader Grade: A score from 0 to 100 showing bullish/bearish potential
  • Bull/Bear Signal: A binary signal showing market direction
  • OHLCV: Open-High-Low-Close-Volume price history
  • Token Metadata: Symbol, name, category, market cap, and more

The best part? The free Basic Plan includes:

  • 5,000 API calls/month
  • Access to core endpoints
  • Hourly data refresh
  • No credit card required

👉 Sign up for free here

🛠️ What You’ll Need

  • A free Token Metrics API key
  • A Google account
  • Basic familiarity with Google Sheets

⚙️ How to Connect Token Metrics API to Google Sheets

Here’s how to get live AI-powered crypto data into Sheets using Google Apps Script.

🔑 Step 1: Generate Your API Key

  1. Visit: https://app.tokenmetrics.com/en/api
  2. Click “Generate API Key”
  3. Copy it — you’ll use this in the script

📄 Step 2: Create a New Google Sheet

  1. Go to Google Sheets
  2. Create a new spreadsheet
  3. Click Extensions > Apps Script

💻 Step 3: Paste This Apps Script

const TOKEN_METRICS_API_KEY = 'YOUR_API_KEY_HERE';

async function getTraderGrade(symbol) {

  const url = `https://api.tokenmetrics.com/v2/trader-grades?symbol=${symbol.toUpperCase()}`;

  const options = {

    method: 'GET',

    contentType: 'application/json',

    headers: {

      'accept': 'application/json',

      'x-api-key': TOKEN_METRICS_API_KEY,

    },

    muteHttpExceptions: true

  };

  

  const response = UrlFetchApp.fetch(url, options);

  const data = JSON.parse(response.getContentText() || "{}")

  

  if (data.success && data.data.length) {

    const coin = data.data[0];

    return [

      coin.TOKEN_NAME,

      coin.TOKEN_SYMBOL,

      coin.TA_GRADE,

      coin.DATE

    ];

  } else {

    return ['No data', '-', '-', '-'];

  }

}

async function getSheetData() {

  const sheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();

  const symbols = sheet.getRange('A2:A').getValues().flat().filter(Boolean);

  const results = [];

  results.push(['Name', 'Symbol', 'Trader Grade', 'Date']);

  for (const symbol of symbols) {

    if (symbol) {

      const row = await getTraderGrade(symbol);

      results.push(row);

    }

  }

  sheet.getRange(2, 2, results.length, results[0].length).setValues(results);

}

🧪 Step 4: Run the Script

  1. Replace 'YOUR_API_KEY_HERE' with your real API key.
  2. Save the project as TokenMetricsCryptoAPI.
  3. In your sheet, enter a list of symbols (e.g., BTC, ETH, SOL) in Column A.
  4. Go to the script editor and run getSheetData() from the dropdown menu.

Note: The first time, Google will ask for permission to access the script.

✅ Step 5: View Your Live Data

After the script runs, you’ll see:

  • Coin name and symbol
  • Trader Grade (0–100)
  • Timestamp

You can now:

  • Sort by Trader Grade
  • Add charts and pivot tables
  • Schedule automatic updates with triggers (e.g., every hour)

🧠 Why Token Metrics API Is Ideal for Google Sheets Users

Unlike basic price APIs, Token Metrics offers AI-driven metrics that help you:

  • Anticipate price action before it happens
  • Build signal-based dashboards or alerts
  • Validate strategies against historical signals
  • Keep your data fresh with hourly updates

And all of this starts for free.

🏗️ Next Steps: Expand Your Sheet

Here’s what else you can build:

  • A portfolio tracker that pulls your top coins’ grades
  • A sentiment dashboard using historical OHLCV
  • A custom screener that filters coins by Trader Grade > 80
  • A Telegram alert system triggered by Sheets + Apps Script + Webhooks

You can also upgrade to the Advanced Plan to unlock 21 endpoints including:

  • Investor Grades
  • Smart Indices
  • Sentiment Metrics
  • Quantitative AI reports
  • 60x API speed

🔐 Security Tip

Never share your API key in a public Google Sheet. Use script-level access and keep the sheet private unless required.

🧩 How-To Schema Markup (for SEO)

{

  "@context": "https://schema.org",

  "@type": "HowTo",

  "name": "Crypto API to Google Sheets in 5 Minutes",

  "description": "Learn how to connect the Token Metrics crypto API to Google Sheets using Google Apps Script and get real-time AI-powered signals and prices.",

  "totalTime": "PT5M",

  "supply": [

    {

      "@type": "HowToSupply",

      "name": "Google Sheets"

    },

    {

      "@type": "HowToSupply",

      "name": "Token Metrics API Key"

    }

  ],

  "tool": [

    {

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      "name": "Google Apps Script"

    }

  ],

  "step": [

    {

      "@type": "HowToStep",

      "name": "Get Your API Key",

      "text": "Sign up at Token Metrics and generate your API key from the API dashboard."

    },

    {

      "@type": "HowToStep",

      "name": "Create a New Google Sheet",

      "text": "Open a new sheet and list crypto symbols in column A."

    },

    {

      "@type": "HowToStep",

      "name": "Add Apps Script",

      "text": "Go to Extensions > Apps Script and paste the provided code, replacing your API key."

    },

    {

      "@type": "HowToStep",

      "name": "Run the Script",

      "text": "Execute the getSheetData function to pull data into the sheet."

    }

  ]

}

✍️ Final Thoughts

If you're serious about crypto trading or app development, integrating live market signals into your workflow can be a game-changer. With the Token Metrics API, you can get institutional-grade AI signals — right inside Google Sheets.

This setup is simple, fast, and completely free to start. Try it today and unlock a smarter way to trade and build in crypto.

👉 Get Your API Key & Start for Free

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