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What is Delphereum?

Delphereum is a Delphi interface to the Ethereum blockchain that allows for development of native dapps (aka decentralized applications).

What is Delphi?

Delphi is a development environment that compiles into native apps for Windows, macOS, iOS, and Android.

What is Ethereum?

Ethereum is a blockchain-based distributed computing platform and operating system featuring smart contracts.

What is a smart contract?

A smart contract is a computation that takes place on a blockchain or distributed ledger. You can think of a smart contract as a microservice that runs trustless on the backend of your application.

Smart contracts can have many applications, ranging from sports betting to online voting. But the true power of smart contracts is in managing assets that have value and are scarce.

Once added to the blockchain, a smart contract becomes public and cannot be modified or removed. This assures your users that the rules are transparent and will never change.

What is a dapp?

A dapp is an application whose backend runs on a decentralised network with trustless protocols. Dapps aren’t owned by anyone, cannot be shut down, and have zero downtime.

What other networks does this thing support?

Delphereum supports every EVM-compatible network, including (but not limited to)


Before you can compile this project, you will need to clone the following repositories, and then add them to your Delphi Library path:

git clone
git clone
git clone
git clone

Please note there are NO runtime dependencies. Delphereum is lightweight and self-contained.


  1. Connecting Delphi to a local (in-memory) blockchain
  2. Connecting Delphi to the Ethereum main net
  3. Connecting Delphi to smart contracts
  4. Generating an Ethereum-signed message signature in Delphi
  5. Transferring ether with Delphi
  6. Transferring ERC-20 tokens with Delphi
  7. Delphi and Ethereum Name Service (ENS)
  8. A 3-minute Smart Contract and Delphi - Part 1
  9. A 3-minute Smart Contract and Delphi - Part 2
  10. QuikNode, Ethereum and Delphi
  11. Delphi and the Ethereum Dark Forest

Case study

Bankless is a DeFi desktop app with the highest possible yield on your stablecoin savings.

Made with Delphi, Bankless is a small and simple dapp that makes it super easy to transfer your savings from one lending protocol to another with the click of one button.

You can download Bankless for Windows or for macOS.


Distributed under the Creative Commons NonCommercial (aka CC BY-NC) license.


Commercial support and training

Commercial support and training is available from Stefan van As.


Delphi interface to the Ethereum blockchain





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