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Jonathan Fischoff

Breaking the Cycle Part 1

When designing Plutus smart contract systems, cyclic dependencies are a major headache. To understand how these dependencies arise, we'll...

Jonathan Fischoff

A Deep Dive Into the New V2 jpg.store Smart Contract

A few months ago, jpg.store came to Canonical with a request for an advanced smart contract for their NFT marketplace. They wanted a...

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Jonathan Fischoff

PSA: Do This and Prevent Your dApp from Getting Hacked

Update: A Cryptoslate article incorrectly stated "Cardano has a universal app exploit". This is not true. There is a common mistake dApp...

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Jonathan Fischoff

Does Plutus == Haskell? It's Complicated.

It is often stated that one writes Plutus smart contracts in Haskell. This is cited as one of the benefits of using Haskell for on and...

Jonathan Fischoff

You Don't Need the PAB: Start Building Today

There is a misconception in the Cardanosphere that the Plutus Application Backend (PAB) is required to build dApps. It is true that...

Jonathan Fischoff

Multisig vs Smart Contracts

When it comes to noncustodial purchasing, if you're building on Cardano, there are two possible approaches: multisig and Plutus smart...

Jonathan Fischoff

50 Ways to Lose Your Love...laces

Smart contracts are great. We love them at Canonical. It is pretty much all we write, but they can be dangerous. Without proper care and...

Jonathan Fischoff

Plutus 102: Datum and Redeemer

Plutus validators are functions that have three inputs and return a boolean. The three inputs are the datum, the redeemer and the script...

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Jonathan Fischoff

Plutus 101: From Multisig to Programmatic Validation

Smart contracts on Cardano operate differently than smart contracts on Ethereum. Plutus smart contracts are not scripts deployed on the...