Qadena

Qadena is a privacy-by-design blockchain platform built on the Cosmos SDK that provides secure and confidential capabilities for financial services, government services, and identity management. It features Confidentiality, Compliance, and built-in credentials. The platform leverages Intel SGX (Software Guard Extensions) technology to create trusted execution environments (enclaves) that protect sensitive data and computations.

Key Features

• Confidential Computing: Built-in support for Intel SGX enclaves for secure, private transactions
• Financial Services: Native support for financial applications with multi-currency price feeds
• Identity Management: Decentralized identity services with privacy-preserving credentials
• Multi-Service Architecture: Supports various service providers (identity, finance, DSVS)
• Native Token: QDN token with built-in incentive mechanisms for wallet creation and usage
• Cosmos Ecosystem: Built on Cosmos SDK for interoperability and proven blockchain infrastructure

Architecture

Qadena operates as a sovereign blockchain with multiple node types:

• Pioneer Nodes: Core validator nodes that secure the network

The platform integrates with external price oracles (CoinGecko, Band Protocol) and supports multiple fiat currencies including USD, PHP, and AUD.

OS

Ubuntu 22.04

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Setup

Get the repository

git clone https://github.com/c3qtech/qadena_v3.git

Development Setup

Ubuntu

cd qadena_v3/ubuntu

./setup_qadena_build.sh

Mac OS X

Note, these might not work exactly, but should give you an idea of what to do.

1. Install Go (version 1.23.4)

Visit the official Go installation guide: https://go.dev/doc/install

Add Go binary path to PATH

Add the following to your ~/.zshrc file (modify /Users/alvillarica as appropriate for your OS):

export PATH=$PATH:/Users/alvillarica/go/bin

2. Install compiler

xcode-select --install

3. Install Homebrew

If you're on macOS, you may need to install Homebrew: https://brew.sh/

4. Install Ignite CLI

First, remove any old Ignite versions:

rm `which ignite`

Follow the official installation instructions: https://docs.ignite.com/welcome/install

For Cosmos SDK v0.50.6 compatibility:

curl https://get.ignite.com/cli! | bash

5. Install jq (JSON processor)

Needed for full-node and validator scripts.

# macOS
brew install jq

6. Install yq (YAML processor)

Needed for full-node and validator scripts.

# macOS
brew install yq

7. Install dasel (TOML modifier)

macOS:

brew install dasel

8. Build and Run

cd qadena_v3
./init.sh                    # Build the qadenad executable
./run.sh                     # Run the chain
./setup.sh                   # Set up sample wallets and credentials
./show_wallets.sh            # Display wallets

Check HOWTO-DEMO.txt for additional information.

Adding New Full-Nodes to Existing Qadena network

Prerequisites

Make sure your dev machine has a working qadenad and is running.

Steps

1. Prepare the New Machine

a. Follow same instructions as above, then:

./init.sh

b. Test the setup:

./run.sh

2. Add as Full Node

Use the add_full_node.sh script with the format:

./add_full_node.sh pioneer-name advertise-ip-address pioneer1-ip-address

Example:

./add_full_node.sh pioneer2 10.211.55.2 10.211.55.3

3. Convert Full Node to Validator Node (Optional)

On the new machine, convert it to a validator node:

./convert_to_validator.sh