What is DeFi?

Decentralized Finance, also known as DeFi, is a transformative sector in the financial and crypto industry. It utilizes the power of blockchain technology, Ethereum being the foundational platform for a large majority of DeFi applications, to cut out intermediaries in financial transactions, shifting power from centralized institutions to individuals. DeFi services include everything from savings and checking accounts to complex financial instruments.

Key Takeaways

  • DeFi, or “Decentralized Finance,” is a groundbreaking financial system built on blockchain technology that aims to democratize finance by removing traditional intermediaries like banks.
  • DeFi applications strive to replace financial intermediaries, allowing for greater individual control over personal finances.
  • Ethereum blockchain is the foundational platform for a large majority of DeFi applications, thanks to its advanced and flexible smart contract capabilities.
  • DeFi expands the functionality of blockchain beyond simple value transfers, enabling more complex financial operations such as lending, yield farming, and derivatives trading.
  • DeFi, formerly known as “open finance,” advocates for a transparent, open, and permissionless financial ecosystem.

What is a DeFi wallet?

A DeFi wallet is a secure digital storage for your cryptocurrencies. Unlike traditional wallets, DeFi wallets are non-custodial, meaning you have full control over your assets. Only the holder of the private key can access and manage these assets. DeFi wallets are pivotal for participating in the DeFi ecosystem, allowing users to interact with DeFi applications and manage their investments directly.

How do I invest in DeFi?

Investing in DeFi is an exciting journey into the world of decentralized finance. This typically involves buying DeFi tokens, which represent a certain stake or right within a DeFi protocol. Tokens can be purchased directly using traditional fiat currencies or by trading other cryptocurrencies. It’s important to do thorough research and understand the project behind the token, as well as potential risks and returns.

How does DeFi work?

Decentralized Finance, or DeFi, works by leveraging the innovations of blockchain technology, typically on platforms like Ethereum or Polygon. Blockchain is the underlying technology that enables the creation of cryptocurrencies and ensures their security and transparency. In the context of DeFi, it facilitates financial interactions without needing a central authority or intermediary.

A key component of DeFi is the use of smart contracts, which are essentially self-executing contracts with the agreement between buyer and seller being directly written into lines of code. This code lives on the blockchain network, making it tamper-proof and transparent to all parties. These smart contracts automatically execute transactions when their predefined conditions are met. This means that once a contract is on the blockchain, it can’t be changed, and it will automatically execute as planned.

Consider this example. In a traditional financial setting, you might have an agreement with a bank to send money to a friend on a specific date. You would trust the bank to carry out this transaction on the agreed date. However, with DeFi and smart contracts, this agreement would be written into a smart contract on the blockchain. The contract would automatically send the money from your account to your friend’s account on the specified date. There would be no need for a bank or other third party to facilitate the transaction.

What truly sets DeFi apart is the concept of “programmable money.” This refers to the ability to automate the movement and management of funds in a highly customizable way. Using smart contracts, money can be programmed to move based on a wide array of triggers and criteria. For example, funds could be programmed to be sent only when certain real-world events occur, like when a specific asset reaches a particular price. This is possible because of the digital nature of cryptocurrencies and the flexibility provided by blockchain technology.

DeFi’s programmable nature extends to ERC20 tokens, a popular standard for creating tokens on the Ethereum blockchain. ERC20 tokens are used in many DeFi applications for a variety of purposes, from representing digital assets like cryptocurrencies to tokenizing real-world assets. Through the programming capabilities of smart contracts and the standards set by ERC20, DeFi has created an open, permissionless, and highly programmable financial system.

What are DeFi use cases?

DeFi offers a wide array of applications that mimic traditional financial services and more:

  • Liquidity Mining / Yield Farming: Users can provide liquidity to DeFi platforms and earn rewards in return.
  • Lending and Borrowing: DeFi platforms allow users to lend and borrow assets directly, often earning interest on deposits.
  • Staking: Users can participate in a network’s operations and earn rewards by “staking” their tokens.
  • Trading Tokens: DeFi has given rise to decentralized exchanges, allowing users to trade tokens directly from their wallets.
  • Insurance: Some DeFi platforms offer coverage against smart contract failures or platform hacks.
  • Stablecoins: DeFi has spurred the development of stablecoins, like USDC and USDT, which are tied to the value of a fiat currency like USD.

What is the difference between CeFi and DeFi

CeFi, or Centralized Finance, involves traditional financial intermediaries in transactions and services. Banks, for example, hold your money and facilitate transactions. DeFi, on the other hand, seeks to recreate these services on a decentralized network, cutting out the middlemen and giving individuals more control over their financial interactions.

Where do I buy DeFi Tokens?

Purchasing DeFi tokens has never been simpler, thanks to Gem Wallet. You can buy any DeFi token worth between $50 to $20,000 USD using your credit or debit card directly from within our mobile wallet. Just download and install Gem Wallet, tap on the buy button, enter the amount you wish to purchase, and complete the transaction with your card.

How do I get a DeFi Wallet?

To get your own DeFi wallet, download Gem Wallet from the App Store & Google Play Store, or directly from our official website. It’s as simple as that!

Download DeFi Wallet

Download Gem Wallet for DeFi by following these three steps:

Download Now
onboarding view

1. Get the mobile app and install wallet from App Store, Google Play or our download page as an APK.

recovery phrase screen

2. Create a new wallet via secret phrase and store it securely.


3. Receive or buy DeFi into your new crypto wallet

Frequently asked questions

Gem Wallet is open source project, with focus on community our goal is to make secure and private wallet that does not track you on every step of your crypto journey.
Just download Gem wallet from our download page, Create your first wallet and save your secret phrase somewhere safe, just go tap buy and select cryptocurrency you want to buy, Gem Wallet will let you buy BTC, ETH, LTC, BNB and many more.
Download Gem Wallet then create new wallet and save recovery phrase somewhere safe, buy cryptocurrency with a credit card head to any nft marketplace of your choice, can be opensea and just connect Gem Wallet to opensea DApp and buy an NFT you like.
Network fees are paid to blockchain you are using your tokens on, Gem Wallet does not take any cut, this is being paid to miners for making your transactions to work.
Go to Gem Wallet, Tap send, pick a coin you want to send in our case BTC or ETH, type in amount you want to send and recipient address and confirm transaction, make sure that you got right recipient address otherwise funds will be lost, transactions in blockchain are ireversible.