diff --git a/README.md b/README.md
index 734b36e..b301a08 100644
--- a/README.md
+++ b/README.md
@@ -1,15 +1,12 @@
-How to disable datacarrier on Bitcoin Knots.
-=============
+Guide about Bitcoin Knots and DATUM
+===
 
-What is `datacarrier`?
----------------------
+Bitcoin Knots
+---
 
-`datacarrier` is an option that controls whether your node will relay (and mine, if you are a miner) transactions containing arbitrary data that is completely unrelated to Bitcoin payments.
+- [datacarrier](page/datacarrier.md)
 
-How to disable datacarrier on my platform?
-------
+DATUM
+---
 
- - [Umbrel](page/umbrel.md)
- - [Start9](page/start9.md)
- - [Mynode](page/mynode.md)
- - [Raspiblitz](page/raspiblitz.md)
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+- [edit json config on umbrel](page/datum/umbrel-datum-json.md)
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diff --git a/page/mynode.md b/page/mynode.md
deleted file mode 100644
index 9a0e624..0000000
--- a/page/mynode.md
+++ /dev/null
@@ -1,17 +0,0 @@
-How to disable datacarrier on [Mynode](https://mynodebtc.com).
-===
-
-1. Login on your mynode device.
-2. Go to the bottom of the page and click on `settings`:
-
-<img src="../pictures/1-mynode.png" width="50%" height="50%" />
-
-3. Scroll to the Bitcoin section and click on `edit config`:
-
-<img src="../pictures/2-mynode.png" width="50%" height="50%" />
-
-4. On the section "Additional Bitcoin Config" add `datacarrier=0` and click on save:
-
-<img src="../pictures/3-mynode.png" width="50%" height="50%" />
-
-Mynode will automatically restart and the change will be done!
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diff --git a/page/raspiblitz.md b/page/raspiblitz.md
deleted file mode 100644
index 0cefbcf..0000000
--- a/page/raspiblitz.md
+++ /dev/null
@@ -1,25 +0,0 @@
-How to disable datacarrier on [Raspiblitz](https://docs.raspiblitz.org).
-===
-
-1. SSH to your your Raspiblitz device:
-
-Usually the user is `admin` and the default password is `raspiblitz`
-
-```bash
-ssh admin@[YOURIP]
-```
-
-2. Use the key combo `Ctrl + c` to escape the UI.
-3. Enter this command to disable datacarrier:
-
-```bash
-sudo bash -c 'echo "datacarrier=0" >> /mnt/hdd/bitcoin/bitcoin.conf'
-```
-
-4. Restart `bitcoind`:
-
-```bash
-sudo systemctl restart bitcoind.service
-```
-
-Done!
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diff --git a/page/start9.md b/page/start9.md
deleted file mode 100644
index f118b31..0000000
--- a/page/start9.md
+++ /dev/null
@@ -1,15 +0,0 @@
-How to disable datacarrier on [Start9](https://start9.com).
-===
-
-1. Login to your start9 server.
-2. Click on `Bitcoin Knots` -> `Config`:
-
-<img src="../pictures/1-start9.png" width="50%" height="50%" />
-
-3. Under the `Mempool` section uncheck `Datacarrier`:
-
-<img src="../pictures/2-start9.png" width="50%" height="50%" />
-
-4. Click on the `Save` button:
-
-Bitcoin Knots will automatically restart and the change will be done!
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diff --git a/page/umbrel.md b/page/umbrel.md
deleted file mode 100644
index 2db10d5..0000000
--- a/page/umbrel.md
+++ /dev/null
@@ -1,21 +0,0 @@
-How to disable datacarrier on [Umbrel](https://umbrel.com).
-===
-
-1. Login to your umbrel.
-2. Click on Bitcoin Knots then the three dots and on `advanced settings`:
-
-<img src="../pictures/1-umbrel.png" width="50%" height="50%" />
-
-3. Click on the optimisation section:
-
-<img src="../pictures/2-umbrel.png" width="50%" height="50%" />
-
-4. Uncheck the `Relay transaction with embedded data` option:
-
-<img src="../pictures/3-umbrel.png" width="50%" height="50%" />
-
-5. Click on `save and restart bitcoin node`:
-
-<img src="../pictures/4-umbrel.png" width="50%" height="50%" />
-
-Bitcoin Knots will automatically restart and the change will be done!
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