nowfound

Commerce · August 14, 2019

PO

Price Oracle for Decentralized Finance Apps

We built a data feed oracle to write prices on-chain, and it’s live on the Ropsten test network! In Decentralized Finance (Defi), you can build your own financial instruments and you often need an oracle to write off-chain prices onto the blockchain. We built an oracle focused on data feeds because the current options are too expensive and slow for regularly, repeating data. This oracle is designed for price feeds and uses public key encryption to validate the data submitted is accurate. We modeled our oracle off of MakerDao and generalized the design to work with any datafeed. We’re…

Price Oracle for Decentralized Finance Apps launched on August 14, 2019 with 7 votes, #1,003 of 3,185 launches that month and more than 50% of that year's launches.

Alternatives

What it does

In the maker’s words, at launch

We built a data feed oracle to write prices on-chain, and it’s live on the Ropsten test network! In Decentralized Finance (Defi), you can build your own financial instruments and you often need an oracle to write off-chain prices onto the blockchain. We built an oracle focused on data feeds because the current…

Does a similar job

all alternatives →
  • MAXIA OracleApr 2026 · oracle.maxiaworld.app · ▲64

    Multi-source price feed for AI agents

  • The Graph2021 · thegraph.com · ▲221

    Build performant blockchain apps with GraphQL

  • dYdX2021 · dydx.xyz · ▲92

    Start trading on #DeFi with low fees and up to 25× leverage

  • Value Network2021 · ▲129

    We make prediction markets a professional trusted instrument

  • FormoApr 2026 · formo.so · ▲74

    Building a successful onchain app is hard. It gets even harder when you don't know how people are using it. You're shipping features, running campaigns, and trying to find product-market fit, but without clear data, you're lost in a dark forest. Analytics remains as one of the biggest challenges in crypto. Think about the questions you're trying to answer every day: * Who are my top users? * What drove them to us? Where do they come from? * Which channels or campaigns are working? * How are users using my app? * What's my CAC? LTV? ROI? * What is moving the needle onchain? To answer the…

  • DeFi Pulse2019 · ▲73

    Track key metrics of top decentralized finance tools

Source: Show HN post ↗ · launch text quoted in part

Launched alongside, August 2019

the whole month →
  • Startup Decks▲708

    View 100s of startup pitch decks or submit your own.

    Growth · 2019 · startupdecks.co

  • Dashblock▲696

    Turn any website into an API

    Dev tools · 2019

  • CLI tool for saving web pages as a single file▲640

    ⬛️ CLI tool and library for saving complete web pages as a single HTML file - Y2Z/monolith

    Dev tools · 2019 · github.com

  • Get waves▲602

    A simple web app to generate svg waves, unique every time

    Dev tools · 2019 · getwaves.io

  • Spider Pro▲574

    The easiest way to scrape the internet.

    Dev tools · 2019

  • Marketing Examples▲560

    A gallery of real world marketing examples

    Growth · 2019 · marketingexamples.com