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Behind the Aggregator: What Happens After You Click Swap?

Hive Keychain redesign (30).png

You choose HIVE → USDC, click Swap, and a few moments later the USDC arrives.

Simple, right?

From the user's perspective, it should be. But behind that single button is a chain of services, requests, transactions, and confirmations working together to make the swap happen.

Here is what actually happens when you use our Aggregator.


1. You Choose Your Swap

You start by selecting the asset you want to swap, the asset you want to receive, and the amount.

For example:

100 HIVE → USDC

The Aggregator now needs to figure out how that swap can be executed.

It doesn't simply pick one provider and hope for the best.


2. The Aggregator Requests Quotes

The Aggregator sends the swap details to the available providers. Each provider can return different information:

  • Exchange rate
  • Expected amount received
  • Fees
  • Estimated completion time
  • Available route

This is where having multiple providers becomes useful. The same swap can produce different results depending on the provider and route available at that moment.


3. The Quotes Are Compared

Once the responses come back, the Aggregator can compare them.

The goal isn't simply to find the provider with the lowest advertised fee. The actual result depends on the complete route, including the rate, fees, available liquidity, and other conditions since it can go throught different token inbetween the pair you choose. With this, the Aggregator select an available route for the swap.

This happens before the user signs anything.


4. The Transaction Begins

Once you confirm the swap, the required transaction is created.

For a HIVE swap, this means signing the corresponding Hive transaction through Keychain.

Your private keys stay under your control. Keychain signs the transaction without sending your private keys to the swap provider. The signed transaction is then broadcast to the network. Now the blockchain takes over.


5. The Provider Processes the Swap

After the required transaction is detected, the selected provider processes the exchange according to the chosen route. Depending on the route, this can involve different assets, networks, and blockchain transactions.

This is also why swaps aren't always instant. A provider may need to wait for a blockchain transaction, move funds between networks, execute the exchange, and then send the destination asset.


6. The Blockchain Confirms It

Eventually, the destination transaction is broadcast. The relevant blockchain confirms it, and the funds arrive in your destination wallet.

You started with:

HIVE

And end with:

USDC

The interface makes the journey look short because it is designed to hide the complexity.


One Button, Many Systems

This is the important part. When you click Swap, you're not interacting with a single exchange. You're interacting with an infrastructure layer that has to coordinate:

Your wallet → quote providers → route selection → blockchain transaction → swap provider → destination network → confirmation

And all of this has to happen while dealing with constantly changing exchange rates, network conditions, liquidity, fees, and transaction status. That's what our aggregator is really doing.


Why More Providers Matter

Adding more providers isn't just about having a longer list of names. More providers can mean more possible routes, assets, networks, rates, and availability. If one provider doesn't support a particular route, another might.

If one provider has a better rate at a given moment, the Aggregator can surface that option. The goal is to give you more ways to move your assets without having to manually check several services by yourself.


Now, it is almost time to swap multichain on Keychain.

Our Beta is getting the final touches and this is one the last steps for the Multichain update that we all have been waiting for. See you all soon!


Download the Apps / Extensions

The download links for our mobile Apps and extensions are available on our landing page

Discord

To communicate with us, report an issue or become a Beta tester, join our Discord by following this link : https://discord.gg/3EM6YfRrGv

Or scanning this QR Code :

image.png

Team

@stoodkev : Founder - Witness @cedricguillas : Lead Developer - Witness @krios003 : Full-stack Developer @manuphotos : Ecosystem Growth Lead - Witness @yabapmatt : Advisor - Witness


Support Hive Keychain development by voting for our proposal on PeakD or with HiveSigner.

Comments · 11

  • @keychain, I'm refunding 5.351 HIVE and 0.000 HBD, because the rewards are too small to distribute.

  • @arribaeltelon(67)· 13d

    What a great post for understanding everything that happens behind the swap button! I’m already testing the beta, and the speed at which Keychain handles route finding and signing in the background is excellent. Simplifying such a technical process for the end user is the right approach. Best of luck with these final tweaks before the official launch!

    Posted via HiveSuite

  • @latinowinner(58)· 13d

    the more competition the better for the user

  • @rimurutempest(77)· 13d

    From the user's perspective, it should be.

    To the user is always like magic, it just happens!

    untitled.gif

  • @hivebuzz(74)· 13d

    Congratulations @keychain! You have completed the following achievement on the Hive blockchain And have been rewarded with New badge(s)

    You distributed more than 500 upvotes.
    Your next target is to reach 600 upvotes.

    You can view your badges on your board and compare yourself to others in the Ranking If you no longer want to receive notifications, reply to this comment with the word STOP

  • @virtualgrowth(72)· 13d

    Keep up the great work!

  • @kachy2022(71)· 13d

    This shows how much work is done behind the scenes to enure swift and fast transactions. This is incredible, well done to the team members 👏

  • @erikah(83)· 13d

    I've seen this on other platforms and I'm glad we have it too. 👍

  • @sodom-lv(69)· 13d

    I'm using hive Keychain everyday and I'm so happy to see more meaningful features added into this wallet. Can't wait to try swapping HIVE to USDC directly on the app/extension.

  • @vipservice(59)· 13d

    This is great, and its amazing to see the community continue to innovate and develop more comprehensive systems over time. Been a user of Keychain for a very long time and its one of the easiest wallets to use.

  • @finpulse(77)· 13d

    I have used this service a lot, and every time my experience has been amazing. Through this post, it is really interesting to know that a lot goes on behind the scenes, which is taken care of by the technology. The people behind this have really done a great job because all this happens in a matter of a few seconds or hardly a minute. As a user, the experience is just wow. Kudos to you. Great job