[DEFI] - Crypto Academy / S4W8- Homework Post for @reminiscence01

3개월 전

Hey Steemians,

Good afternoon to everyone,

Greeting to #steemitcrytoacademy -The most engaged community on the steemit platform.

I'm @hdnakum. Today, im going to write the homework about Defi lectured by @reminiscence01. I will try to give my best to write the answer to all questions.

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Made with Canva



1. What is DEFI
Decentralized finance (Defi) is an open financial system built atop of a smart contract enabled blockchains- a universal distributor ledger. The main difference between conventional finance and decentralized finance is Defi is controlled by you only whereas conventional finance is always controlled by a centralised body, be it a bank or any financial institute. You control your money by using Defi means you can do anything, that you have been doing (borrow, lend, insurance & earn interest) with the help of centralized finance, without any help from the centralized third party.

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Conventional Finance Vs DeFi | Made with Canva

The Defi is completely made on smart contract enabled blockchain. We all know that blockchain is the universal distributed ledger that records the transaction on it and sends it to thousands of nodes simultaneously. The Defi Dapps are deployed on this kind of cryptographic backed smart contract blockchain which are highly secure, fast and immutable. The best thing is the transaction of every blockchain are transparent, fast, secure and immutable which makes blockchain one of the best technology in 21t century.

Many blockchains can run the smart contract over it such as Ethereum, Binance smart chains, Algorand, Terra, Tron, Steem, Hive and Kadena. I have listed some of the best (by volume) Defi Dapps running on different blockchain platforms.

NumberPlatformDefi Name
4ICONBalanced Network
5TronZethyr Finance

Over time, the adaption of the Defi has increased dramatically. People are using the Defi very easily for borrowing, lending and especially earning passive income by providing liquidity to the borrowers. If we check the total market cap of the Defi project, (as shown below), it is $154 B, more than the market cap of Sol and BNB combined. By this, you can imagine how people are crazy about getting passive income from Defi protocols and for borrowing as well. In future, Most probably, Defi will replace conventional finance where the corrupted people put the entire financial system at risk (remember 2008 Crash?).

whopping $154 B market cap of DeFi protocols | Made with Canva

There are numerous benefits of using Decentralized finance over centralized finance. I have listed some of the best benefits of using Decentralized finance below.

  • You have full control over your money
  • You can transfer your money globally without any extra charge.
  • You can borrow money by collateralizing other crypto assets you already have.
  • You can earn passive income (around 5-20%) by lending the cryptocurrency.
  • The transactions are transparent than Centralized finance, thus anyone can check a product's data and inspect how the protocol system works.
  • You can transact/buy/sell your crypto to someone else in minutes.
  • There is no time limit to use Defi, you can use it anytime, the markets are always open.
  • Now you also buy a synthetic stock (using oracle) from the Defi protocols (e.g Mirror protocol)
  • Moreover, you can take all the benefits listed above anonymously because Defi doesn't require any identity (KYC).
  • You can transact millions by just a single click using Defi whereas centralised banks require prior authorization while transacting a huge sum of money.



Many DEX are available on both the binance smart chain and Tron blockchain but very few are great in terms of speed and the facilities there are providing except only swapping. I have listed some of the well-known DEX made on BSC and Tron blockchain according to their Trade volume

PancakeswapZethyr Exchange

In thems of volume, Pancakeswap and Zethyr Exchange are leading on BSc and Tron blockchain. In this blog, we are going to learn about Pancakeswap and Zethyr Exchange DEX.

1) BSC - Pancakeswap
Pancakewap is one of the best Decentralized exchanges ever existed for the Binance smart chain token (BEP20). It works on the (AMM) automated market maker model and is not like the conventional market model where there is seller and buyer. In this model, traders trade cryptocurrency by using permissionless liquidity pools.

You can swap almost any cryptocurrency from one another, but the point is you must have some BNB coin (gas fees) to approve any transaction you demand. Normally the transaction fee is around 0.5$ worth of BNB. You can swap or you can earn passive income by providing Liquidity or Farming.

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Pancakeswap Homepage

The total value locked (TVL) on Pancackswap is $11 B which is huge and that's why it has a lot of liquidity while performing the transaction on pancakeswap. Pancakeswap has over 2.8 Million users which I consider a huge number.

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Most Active DEX Pancakeswap

  • Swapping Facility
    The pancakeswap is mainly known for the swapping of the cryptocurrency that runs on the Binance smart chain blockchain. As the DEX itself runs atop of BSC. Make sure, you need a BNB token as a transaction fee to swap any currency from one another, however, the transaction fee is quite low as compared to the Ethereum blockchain. The detailed Transaction is explained in question 3.

    Pancakeswap Exchange
  • Stacking Cake - Syrup pools
    Stacking of the Cake coin in Syrup pools is one of the best options to get rewards in the form of Cake tokens moreover, there is a certain option for getting rewarded in form of some other BEP-20 tokens as well. Staking is quite similar to farming. In cryptocurrency staking, your asset is locked for a certain period and then you have harvested them once the time is up. In this way, one can earn a passive income, however, there is risk associated with it as well. In short, you stack coins and get rewarded either a Cake token ot another BEP-20 token depending on what syrup pool you have chosen.

    syrup pool.jpg
    Pancakeswap Stacking Cake only
  • Farming
    When you provide liquidity to the liquidity pool (e.g BNB/cake), in return you get some LP tokens. Now you will receive transaction fees as rewards because you have provided liquidity making AMM. One more thing you can do with this received LP token is to farm it for a cake token.

    Pancakeswap Farming/stacking LP tokens

    In the above image, you can see that if you stake/farm cake/BNB, you will get 33.3% of the rewards in form of cake tokens which can later be sold for profit or reinvested by auto-compounding.

  • Lottery
    The Pancakeswap runs four lotteries in a single day (1 lottery tuns 6 hrs). To participate in the lottery you have to buy a ticket worth 10 cake tokens (around 200$). It is a pure form of a gamble and thus, I would suggest you stay away from it. If you win, you receive a huge amount of cake and NFT as well sometimes.

    Pancakeswap Lottery

  • ICO
    Initial farm offering is the type of fundraising for the new project. I consider this is the best opportunity to grab some tokens of a new project by providing Cake-BNB LP tokens. To take part in the IFO, you have to get a cake-BNB LP token first by providing liquidity and then you have to activate your profile as well.

All and above I have found Pancakeswap quite amazing because it is fast, secure and easy to use. It also offers numerous Options to earn passively and charges quite low transaction fees as well.

2. TRON - Zethyr Exchange

Zephyr DEX is a DEX Aggregator where you can find various offers about buying your crypto asset at a low price with minimum fees. There is various DEX available for the Tron blockchain but I feel that Zephyr DEX is one of the best DEX or finance Dapp available on Tron. You can also lend, borrow, or stack the TRC-20 token on Zephyr DEX as well.

Zephyr finance is new Defi app built on the Tron blockchain which also allows swapping of the TRC-20 tokens simultaneously with borrow and supply.

  • Swapping
    Zephyr finance has an amazing tool available on the platform is Swapping the TRC-20 tokens known as Zephyr exchange. This is a decentralized exchange and so are secure, fast and quite user friendly. One can swap almost all the TRC-20 with each other with very low transaction fees (it use bandwidth & energy first).

    z ex.jpg
    Zethyr Exchange Homepage

  • Borrowing/Lending
    Borrowing/Lending is one of the prime features of Zephyr Finance. One can earn passive income at a certain APY by supplying cryptocurrency. Moreover, one can borrow a cryptocurrency from Zephyr Finance at a specific interest rate by collateralizing the borrower's crypto assets.

    Zethyr Exchange Borrow/lending Protocol

  • Cross-chain Stable token Transfer
    One of the best feature a Zethyr finance has is a cross chain transfer of stable coins. Now one can transfer USDT (TRC-20) to USDT (ERC-20) easily using the Zethyr finance.

    Zethyr Exchange Stable Coin Cross Chain Transfer

Overall I found Zephyr finance very useful as compared to using justswap and sun.io combined. It is a fairly new protocol but still getting lots of attention due to its ability to perform multiple tasks at a time.


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1. Demo of Buying BEP-20 token from Pancakeswap DEX

Now as we have been assigned to perform a task regarding buying the BEP-20 token on Pancakeswap. I will show you a demo of buying the MONI token (BEP-20) token from the pancakeswap using BNB.

  • Step 1: Go to Pancakeswap Exchange and click on connect wallet.

    connect walter.jpg
    Pancakewap Homepage

  • Step 2: Click on Metamask or a wallet you have - Pancakeswap will connect with your wallet.

    step 2.jpg
    Pancakewap Homepage

  • Step 3:. Once the wallet is connected, click on Trade followed by Exchange. it will directed to you t exchange page as shown below.

    ex 1.jpg
    Pancakewap Exchnage

  • Step 4: Now select the coin you want to spend by dropdown menu and then select the coin you want to buy by dropdown menu. if you don't find the coin by name, you have to paste its contract address and then import it. For example, I want to buy moni using BNB.

    ex 3.jpg
    Pancakewap Exchnage

  • Step 5:. Once you are done with it, click on the swap. sometimes, the shit coin needs more slippage charge, in such case you have to manually set the slippage charge by clicking on the setting button just over the top of the exchange. Hit Swap and then hit on confirm swap.

    ex 4.jpg
    Pancakewap Exchnage

  • Step 6: Once you hit the confirm swap, a new popup from your wallet will appear to confirm the transaction. the pop up will give you information about gas fees and all. - Hit confirm

    ex 6.jpg
    Pancakewap Exchnage

  • Step 7: Transaction submitted - you can see details of the transaction on bscscan

    ex 7.jpg
    Pancakewap Exchnage

  • Step 8: Check you transaction detail on bscscan

2. Demo of Buying TRC-20 token from Zethyr DEX

  • Step 1: Go to zethyr.finance and click SWAP. It will redirect you to zethyr exchange. once you reach the exchange page, it will ask permission from your wallet to connect it. Hit connect

    Zethyr.exchange Exchange

  • Step 2:Select the token you want to spend from the dropdown menu and then select the token you want to buy. e.g I want to swap 144 TRX into 13 USDT as shown below.

    j jj5.jpg
    Zethyr.exchange Exchange

  • Step 3:Click on Swap now and confirm it

    Zethyr.exchange Exchange

  • Step 4: A new window from your wallet will pop up asking to sign the transaction. Click on sign.

    Zethyr.exchange Exchange

  • Step 5: Track your transaction on Tronscan. Check the balance of the TRX and USDT in your tronlink Wallet.

As you can see the Tron network is charging me 18 TRX for this transaction due to low energy for my wallet address. This kind of fee can be avoided if you have the proper bandwidth and energy to carry out transactions. I think the energy will be recovered by tomorrow, and i will complete the Transaction.



In the end, I would like to thank @reminiscence01 for writing such a nice informative lecture. I have learned a lot about defi and DEx that Pancakeswap and zethyr. exchange. Defi is an amazing tool to earn some passive income if you stack/farm your crypto assets to DeFi. Defi has solved many problems and will surely solve some more where the centralized system is dominating now such as banks, Insurances and many more. Have a Great Day


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All images used above are originally made by @hdnakum using Canva and Adobe illustrator. ©2021 @hdnakum All Rights Reserved

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Hello @hdnakum, I’m glad you participated in the 8th week Season 4 of the Beginner’s class at the Steemit Crypto Academy. Your grades in this task are as follows:

Presentation / Use of Markdowns2/2
Compliance with topic1.2/2
Spelling and Grammar1.3/1
Quality of Analysis1.3/2

Recommendation / Feedback:

  • You've completed the given task.

  • You create tasks with a neat structure.

  • The BSCScan and Tronscan links that you entered are not links to the details of the transactions you did, put the correct links so that I can validate the transactions you do. Or you can also mention the hash of the transaction you did in your assignment.

  • The transaction you made to Zethyr Finance was incomplete, I didn't see you signing to complete the transaction.


  • It's Poloniex DEX, not Polonodex

  • There are still some grammatical errors.

Thank You!

Hi @hdnakum,

I prefer to upvote users who continually powerup their earnings (min 50%) and continually upvote others (preferably like-minded users) with their increasing Steem Power. I notice you are in that category. You will receive my upvotes regularly as long as you maintain this attitude.