How to Buy CoinMarketCap 20 Index (CMC20)
2025-12-03
Bittime - The CoinMarketCap 20 Index, or CMC20 in its on-chain token form, gives investors diversified exposure to 20 of the largest crypto projects simultaneously. Buying one token provides access to a basket of assets that adhere to the index's rules.
This article provides a clear, practical guide on how to purchase CMC20, from the easiest options to technical methods via Web3 wallets and DEXs. The technical information is tailored to current purchase routes.
What is CMC20?
CMC20 is an index designed to measure the performance of the 20 largest crypto assets by market capitalization according to CoinMarketCap.
This index is constructed as a cleaner market benchmark becausedoes not include stablecoins, tokens pegged to other assets, as well aslow liquidity assets. Thus, only large-cap native coins and tokens are included in the index.
CMC20 uses the methodweighting based on market capitalization, so the weight of each token in the index depends on its capitalization relative to the total capitalization of all assets in the index. Assets with larger capitalizations receive higher weighting.
Updated index compositionevery month, right at the start of the rebalancing period. This process ensures the CMC20 list always reflects the latest market conditions.
If an asset drops drastically or loses liquidity, it may be removed from the index and replaced by another asset that is stronger in terms of capitalization.
In addition to being a market index, the CMC20 is also available in the form oftradable index tokens, which allows investors to gain exposure to the top 20 crypto assets through a single instrument.
These index tokens run on the BNB Chain ecosystem and are produced through audited DeFi mechanisms.
This structure makes the CMC20 considered a more objective representation of the larger crypto market, as it eliminates distortions from stablecoins and derivative assets.
With regular rebalancing, investors can see a dynamic yet professionally curated market picture.
How to Buy CMC20 in Indonesia (Step by Step)
Step 1: Choose an Official Platform
Before buying CMC20, make sure you already have an account on a trusted crypto exchange platform, such as Bittime Exchange. Complete the registration and identity verification process to keep your account secure.
Step 2: Account Verification (KYC)
1. Access the Verification Page
Option 1: On the login page, select Step 2: "To KYC Verify".
Option 2: Click the "Me" menu, then select "ID Verification" and click the "Start Verification" button.
2. Verify Phone Number
The system will ask you to verify your phone number first.
Enter your phone number, then follow the instructions to receive an OTP (One-Time Password) code via SMS.
Enter the OTP code into the app to complete phone number verification.
3. Select Identity Type
Select the type of identity document to be used:
KTP (Resident Identity Card) or
Passport / KITAS (For Foreign Citizens Only)
Upload a photo of your identity document:
Make sure the document photo is clear and complete.
There are no cut off or blurry parts.
4. Verify and Edit Personal Data
After the document is uploaded, the system will display your data.
Check and ensure the following data is correct:
Full name
ID card/passport number
Date of birth
Place of birth
Work
If there is any data that is not appropriate, edit it directly on that page.
If the data is correct, click the "Next" button to proceed to the next step.
5. Upload a Selfie Photo
Take a selfie using your device's camera:
Make sure the face is clearly visible.
Do not use accessories such as sunglasses or masks.
Once completed, click the "Submit" button to send your data and documents to the Verification Service.
6. Verification Process
Verification requests will be processed in a queue.
Estimated verification time is 1x24 hours.
You will receive a notification once the process is complete.
Step 3: Deposit Funds
Common payment methods:
Step 4: Buy CMC20
You can buy CMC20 with Rupiah by following this tutorial:
Open your Bittime account.
Select menu Market or click the icon with a graphic image.
Select the currency pair you want to use. Select IDR if you want to buy CMC20 with Rupiah.
Scroll down and click ‘Buy’.
Select the order type you want to use. Limit orders, market orders, and stop orders are available.
Enter the rupiah amount you want to buy CMC20. The minimum purchase of crypto assets on Bittime is IDR 10,000.
Click the 'Buy CMC20' button.
A pop-up notification will appear. Read it carefully and click 'Confirm'.
Enter the six-digit Transaction PIN.
The application will display a successful order notification.
Your order will appear in the open orders section if you select a limit order.
Then if the purchase is successful, you can check it in the order history.
As soon as the order is successfully executed, you can see CMC20 available in the Assets menu or the wallet icon.
Step 5: Save Your CMC20
You can:
Store in exchange wallet (easier for trading)
Transfer to personal wallet such as MetaMask, Trust Wallet, Ledger
Read also: Cardano (ADA) vs Ripple (XRP): A Comprehensive Comparison Before Investing
Safe Tips for Buying CMC20
Use official Bittime Exchange & regulated
Never buy through unofficial Telegram/WhatsApp groups
Enable 2FA (Google Authenticator)
Beware of scams discount CMC20
Where Can I Buy CMC20?
Bittime is the best platform to buy and sell CMC20 with competitive prices and local payment methods.
Buy directly using IDR
Low transaction fees
Spot & Futures Trading Support
The application is available at iOS & Android
➡ Starting now: Buy CMC20 in seconds
Costs, Liquidity, and Technical Issues to Consider
Purchasing CMC20 involves several costs: trading fees or spreads on CEXs, swap and gas fees on DEXs, and minting/redemption fees on DTF platforms.
Index token liquidity can fluctuate—prices on DEXs may be more volatile and spreads wider than blue-chip coins.
Always check the trading volume and order book (if available) before trading. Also, pay attention to the token contract's source to avoid scams involving tokens with similar symbols.
Conclusion
Purchasing the CoinMarketCap 20 Index (CMC20) can be done quickly through CEXs or more independently through Web3 wallets and DEXs. The best choice depends on your asset control preferences, cost tolerance, and technical capabilities.
For investors seeking diversified exposure without maintaining 20 positions themselves, CMC20 offers a practical solution—as long as users understand the fees, onchain mechanisms, and inherent risks.
FAQ
Where can I buy CMC20 most easily?
The easiest way is through a centralized exchange that is already listed on CMC20 because it offers an instant buying interface with fiat or crypto.
Can I buy CMC20 directly with a credit card?
Some exchanges offer instant card purchases through payment partners; if the CEX supports CMC20, you can buy stablecoins first, then swap them to CMC20, or buy directly if available.
Is CMC20 an onchain token that I can store on MetaMask?
Yes. CMC20 is available as an on-chain token based on the DTF framework, so it can be stored in any wallet that supports the token's network, as long as you add the official token contract.
Is it safer to store CMC20 on CEX or in a personal wallet?
Storing in a private wallet gives you full control over your private keys, but requires greater security responsibilities. CEXs may be more convenient but carry third-party risks. Choose based on your security and liquidity preferences.
How can I make sure I'm purchasing legitimate CMC20 tokens?
Always verify token contracts on the official CoinMarketCap page, Reserve DTF documentation, or the official source of the platform issuing the token. Avoid fake contracts by checking the source's address and reputation.
How to Buy Crypto on Bittime
Want to trade sell buy Bitcoins and crypto investment easily? Bittime is here to help! As an Indonesian crypto exchange officially registered with Bappebti, Bittime ensures every transaction is safe and fast.
Start with registration and identity verification, then make a minimum deposit of IDR 10,000. After that, you can immediately buy your favorite digital assets!
Check the exchange rate BTC to IDR, ETH to IDR, SOL to IDR and other crypto assets to find out today's crypto market trends in real-time on Bittime.
Also, visit the Bittime Blog for interesting updates and educational information about the crypto world. Find reliable articles about Web3, blockchain technology, and digital asset investment tips designed to enrich your crypto knowledge.
Disclaimer: The views expressed belong exclusively to the author and do not reflect the views of this platform. This platform and its affiliates disclaim any responsibility for the accuracy or suitability of the information provided. It is for informational purposes only and not intended as financial or investment advice.
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