Developer Update – October 28th


Welcome to the October Numio Developer update! We have been working on a variety of technical implementations since our September update, from new partnerships to technical integrations. Last month, we focused on the UI/UX of the Numio application, and this time we are going to focus on DeFi within Numio – along with the launch of a new initiative 👀

A Look At Numio DeFi Integrations

We are constantly pushing the Numio Wallet forward – and continuing to build in DeFi utility is a top priority. From the launch of our v2 significantly updating the UI and UX, to more recently launching an anonymous mode allowing a user to explore the app with as minimal information as possible – we are forward thinking and noticing the trends.

In parallel to multiple streams of development, we are well into a significant set of DeFi development sprints. Our roadmap is 🔥


Here are a few words from Jin, Blockchain Engineer at Numio talking about one of our DeFi integrations.

“I am working on decentralized finance, or DeFi, which is a system that enables financial products to become available on a public decentralized blockchain network. That makes them open to anyone to use, rather than going through middlemen like banks or brokerages.

More specifically, DeFi refers to a system by which software written on blockchains makes it possible for buyers, sellers, lenders, and borrowers to interact peer to peer rather than a company or organization facilitating a transaction.

Currently, I am building in the ability to deposit assets in one of the popular DeFi protocols called Aave. Aave is an Open Source and Non-Custodial protocol to earn interest on deposits and borrow assets.

For example, on deposit, the Aave LendingPool pulls funds from the msg.sender and transfers aTokens to the onBehalf address. Here is an example of this process and functionality using the Aave protocol SDK:”

JavaScript code snippet:

import { TxBuilderV2, Network } from "@aave/protocol-js";
const txBuilder = new TxBuilderV2(Network.kovan, ethprovider_url);
const lendingPool = txBuilder.getLendingPool(Market.Proto);
const Txns = lendingPool.withdraw({
user, // string,
reserve, // string,
amount, // string,
aTokenAddress, // ? string,
onBehalfOf, // ? string

If you would like to learn more about DeFi and its importance, check out our article on DeFi or reach out to us on our socials.

Numio Docs

We are excited to announce a new initiative – Numio documentation! This is something we have been working on over the past few weeks to bring rich documentation for the Numio app. In-depth how-to’s and screenshots to perform your favorite in-app functions. Take a look and let us know what you think.


Numio UI/UX

Continuing with our UI/UX evolution, we have been updating new sections of the app and have exciting new design additions to be released in the coming weeks – some of which you will being to see in version 2.4 and 2.5.


Partnership Updates

Yesterday we announced a partnership with Mute!

“The collaboration will first see the Mute & Voice tokens being integrated into the Numio wallet, providing Mute users a fast and cheap way to send and interact with their tokens. Moving forward we are working on integrating the zkRollup powered automated market maker (AMM), Mute Switch, into the Numio app for L2 trading and token pooling at your fingertips.”

We are excited to work with Mute to bring greater utility to our existing user bases.

Numio Open-Source Repositories and Packages

Take a look at our modular and evolving open-source repositories of Numio code.

Numio on the Move

Come say hello to Numio team members attending conferences and developer focused events! Tim will be speaking at ETHPortland for a talk on Crypto UI and UX October 29th at 2:30PST.


Mark will be speaking on a panel about Layer 2’s at DCentral Con in Miami November 30th – December 1st and will also be attending the Florida Blockchain Summit November 4th-5th & Miami Crypto Experience November 10th-12th


Official Numio Changelog

If you can believe it, we have released three application updates since our last developer update in September.

View our full Numio wallet Change Log here.

  • v2.3 (10/15/2021)
    • EIP-1559 gas prices optimization.
    • Enhancements to Internal Transfer screen.
    • Import Wallet informational popup added.
    • Chart timeframe enhancements.
    • Chart display enhancements.
    • Purchasing token transaction receipt enhancements.
    • Increased some button sizes.
    • QR Code scanning adjustments.
  • v2.2 (09/24/2021)
    • Added Pendle and DATA tokens
    • Other minor bug fixes
  • v2.1 (09/21/2021)
    • Layer 1 Trading has been added
    • Charting has been added
    • Track your trading performance over time graphs
    • Send to another ETH address via QR code scan
    • Updated Withdraw Flow via Send button
      Other minor enhancements


We hope you enjoyed learning about the DeFi development taking place at Numio. We look forward to releasing 2.4 which brings new ways to connect. 👀

If you haven’t already, check out our app and let us know what you think. We are welcome to constructive feedback as it makes us better. Join us to bring the next million people into crypto & DeFi! Download Numio on Android or iOS and follow us on Twitter to get frequent updates about us.

Tim Allard, CTO, Numio

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