Charli3 V2 Upgrade

2 min readFeb 14, 2023


Charli3 Oracle V2 Update:

With the Cardano update this Valentines, Charli3 also has been working towards this update from Plutus V1 to Plutus V2. You can see the new feed running here.

What is included in this update?

  1. Support for Vasil’s features: Reference scripts, Reference inputs, and most importantly Inline datums
  2. New NFT set
  3. Updated validator from Plutus V1 to Plutus V2
  4. Updated Data source count from 1 to 5

This update to our systems brings a more efficient and secure way of providing data to the Cardano blockchain. We are very excited for this as more defi comes online to the Cardano ecosystem that requires security and trustworthy data.

Reference inputs will allow many users to access the same data sets placed on-chain from the Charli3 node network, while the Inline datums will increase ease of use by allowing efficient communication between those data sets and customers. Reference scripts help to keep transaction size lower, again increasing the efficiency of the chain and reducing congestion in conjunction with the other features.

Minting new NFT sets to work with our V2 operations was imperative to continue standard function. They are in the same format but reminted for V2

Updating our data sources from 1 to 5 is a big leap in price accuracy, redundancy, and decentralization, in conjunction with our minimum set of 5 node operators, these 5 data sets will highly increase data set validity for users of the oracle, ensuring an accurate feed. We will continue this practice and further it for future Charli3 data sets for customers

For our ADA/USD price feed, the sources are:

  • Binance
  • Kraken
  • Kucoin
  • Bitrue
  • Coinbase

We are very excited for the continued growth of defi and adding to this wonderful ecosystem we all call home. Although the road is rough, we continue to produce and serve the ecosystem and hope you follow along with continued support as we all build together.

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