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Write-A-Key-Value-Pair.md

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Write A Key Value Pair

This guide will teach you how to write a key value pair to the SPACE blockchain.

KV is available with Spacecoind or Spacecoin-QT.

Table of Contents

Please Note

With Spacecoin-QT the commands will need to be entered in the console. This is accessible at Help -> Debug Window -> Console.

Background Information

Key Value pairs expire after a specified amount of days.

The days are based on KMD's 1440 blocks per day. Decide how many days you want and multiply by 2 because SPACE has 2880 blocks per day.

If your KV pair is going to expire you can follow the same steps to update it.

Instructions

  1. Navigate to spacecoin-cli or Console depending on your wallet.

  2. Enter the command kvupdate key "value" days*2 passphrase.

    Example: kvupdate testing "This is my kv test value" 400 mytestingpassphrase

    This will output the KV entry with all of the relevant information.

{ "coin": "tSPACE", "height": 153, "expiration": 145593, "flags": 401, "key": "testing", "keylen": 7, "value": "This is my kv test value", "valuesize": 24, "fee": 0.0017776, "txid": "55c037b75d548324e24da24cceb8353012b546d3d93cb03de34f837e82cf85a6" }


You can now [read this KV pair](Read-A-Key-Value-Pair.md) from the blockchain.