Understanding the Log Message Node

In this quick tutorial, we will cover “Understanding the Log Message Node”. The Catenis system allows you to log messages to the Bitcoin blockchain.  Using the “Log Message” node on Catenis Flow allows individuals to easily log information to the Bitcoin blockchain by inserting message content in a bitcoin transaction, or IPFS message hash references into a Bitcoin transaction.

Information is logged directly to a Bitcoin Transaction if data is less than or equal to 75 bytes or characters.

When content is above 75 bytes, Catenis Flow employs automated content size detection and hashes the content, then places the content’s hash into the Bitcoin blockchain while placing the content itself onto IPFS.

In this video we will cover:

• How to send a basics message to the Bitcoin blockchain
• Reviewing all relevant settings available when logging a message
• How to choose to send an On-chain or Off-chain message
• Importing a prebuilt flow that logs messages

Prerequisite

• A Free Catenis Development account or Production account
• Node-RED installed on either a local or cloud environment
• Catenis Flow Pallet installed on Node-RED
• A Catenis Virtual Device configured on Node-RED
• Basic understanding of how to use Node-RED
• Basic understanding of Bitcoin Blockchain concepts
• Basic understanding of IPFS

Thank you for watching Understanding the Log Message Node in the Catenis Flow tutorial series. Watch the next video, Working with the Log Message Node, to further expand your knowledge.

Links from this video for easy access:

• Document and File Type Handling: https://blockchainofthings.com/tutorials/document-and-file-type-handling
• Base58 converter: https://incoherency.co.uk/base58/
• How to Import a Node-RED Flow: https://blockchainofthings.com/tutorials/import-a-node-red-flow
• Log Message Node Documentation: https://blockchainofthings.com/log-message-node/
• Installing Catenis Flow on Node-RED: https://blockchainofthings.com/tutorials/install-catenis-flow-node-red
• How to Configure a Virtual Device: https://blockchainofthings.com/tutorials/configure-virtual-device
• Working With the Log Message Node: https://blockchainofthings.com/tutorials/work-with-log-message-node

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