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This project is a fork of IRI, with all Coordinator dependencies removed. It is meant for research purposes, and absolutely not ready for use on mainnet.

We are managing this effort publicly here on GitHub, and we welcome community contributions.


The IRI repository is the main IOTA Reference Implementation and the embodiment of the IOTA network specification.

This is a full-featured [IOTA] node with a convenient JSON-REST HTTP interface. It allows users to become part of the [IOTA] network as both a transaction relay and network information provider through the easy-to-use [API].

It is specially designed for users seeking a fast, efficient and fully-compatible network setup.

Running an IRI node also allows light wallet users a node to directly connect to for their own wallet transactions.

-* License: GPLv3

How to get started

The IOTA network is an independent peer-to-peer network with a first-user, friend-to-friend, network structure:

  • As a 'first-user' network, to access the data streams and APIs that other users provide, you must first exchange your IP and port configuration with a current user.

  • As a 'friend-to-friend' network, you have the privilege of joining new users into the network through your node by adding them to your approved neighbors list — ensuring that you both broadcast to them and also receive their broadcasts.

You can find neighbors quickly at both our [Discord Community] and [].

Everyone will be welcoming and very happy to help you get connected. If you want to get tokens for your testcase, please just ask in one of the communication channels.

Reporting Issues

If you'd like to contribute to IRI, report bugs, problems or irregularities with this release, please see for guidelines.


This page contains basic instructions for setting up an IRI node. You can find the full documentation on our documentation website. Also see the IRI API refernece.


The preferred option is that you compile yourself. The second option is that you utilize the provided jar, which is released whenever there is a new update here: Github Releases.

Compiling yourself

Make sure to have Maven and Java 8 installed on your computer.

To compile & package

$ git clone
$ cd cliri
$ mvn clean compile
$ mvn package

This will create a target directory in which you will find the executable jar file that you can use.

How to run IRI


Running IRI is quick and easy, and you can usually run it without admin rights. Below is a list of command line options.

At a minimum, the port must be specified on the command-line — e.g., '-p 14265' or in the iota.ini file — e.g., 'PORT = 14265'.

If the 'iota.ini' file exists, it will be read. The port and all the command line options below take precedence over values specified in the ini config file.

Here is an example script that specifies only the port, with all other setting to be read from the ini file if it exists:

java -jar iri.jar -p 14265


Create an iota.ini file with all of your configuration variables set in it. Any that you don't provide in here will be assumed to be default or taken from command line arguments.

docker run -d --net=host --name iota-node -v iota.ini:/iri/iota.ini iotaledger/iri:latest

Command Line Options

Option Shortened version Description Example Input
--port -p This is a mandatory option that defines the port to be used to send API commands to your node -p 14265
--neighbors -n Neighbors that you are connected with will be added via this option. -n "udp:// udp://[2001:db8:a0b:12f0::1]:14265"
--config -c Config INI file that can be used instead of CLI options. See more below -c iri.ini
--udp-receiver-port -u UDP receiver port -u 14600
--tcp-receiver-port -t TCP receiver port -t 15600
--testnet Makes it possible to run IRI with the IOTA testnet --testnet
--remote Remotely access your node and send API commands --remote
--remote-auth Require authentication password for accessing remotely. Requires a correct username:hashedpassword combination --remote-auth iotatoken:LL9EZFNCHZCMLJLVUBCKJSWKFEXNYRHHMYS9XQLUZRDEKUUDOCMBMRBWJEMEDDXSDPHIGQULENCRVEYMO
--remote-limit-api   Exclude certain API calls from being able to be accessed remotely --remote-limit-api "attachToTangle, addNeighbors"
--send-limit   Limit the outbound bandwidth consumption. Limit is set to mbit/s --send-limit 1.0
--max-peers     Limit the number of max accepted peers. Default is set to 0 (mutual tethering) --max-peers 8
--dns-resolution-false Ignores DNS resolution refreshing --dns-resolution-false

INI File

You can also provide an ini file to store all of your command line options and easily update (especially neighbors) if needed. You can enable it via the --config flag. Here is an example INI file:

PORT = 14265
NEIGHBORS = udp://
IXI_DIR = ixi
DEBUG = false
DB_PATH = db
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