diff --git a/HelloWorld/juvix.lock.yaml b/HelloWorld/juvix.lock.yaml
index 63bf81a..18081ba 100644
--- a/HelloWorld/juvix.lock.yaml
+++ b/HelloWorld/juvix.lock.yaml
@@ -2,7 +2,7 @@
 # Do not edit this file manually.
 
 version: 2
-checksum: bf6d9cde1d381ef43acf3f7c3d7a7be76f6e3c51c741f9be1e465568c211bf5a
+checksum: 7e1503c9e6c5f62bedadd6b6637bc55e25372a26fe9628bbf5f4026fd1ad34a5
 dependencies:
 - git:
     name: anoma_juvix-stdlib
diff --git a/Material/1_Learn-Anoma-Apps.md b/Material/1_Learn-Anoma-Apps.md
index 5346f9b..c48fa9c 100644
--- a/Material/1_Learn-Anoma-Apps.md
+++ b/Material/1_Learn-Anoma-Apps.md
@@ -192,6 +192,7 @@ The [**Anoma Resource Machine** (ARM)](#resource-machine) is a virtual machine b
 ## Applications
 
 Applications consist of application state and logic.
+
 - State is modelled as resources and the data they contain
 - Logic is modelled as resource logic functions expressing the predicates required for a resource to be created and consumed
 
@@ -199,15 +200,17 @@ Accordingly, resources and corresponding **resource logic functions** constitute
 
 Instead of creating and consuming resources and providing all data required in the transaction object directly and manually, users interact with an **application interface**.
 
+<details><summary><b>Interface details</b></summary>
+
 The interface consists of
+
 - Transaction function (the application write interface)
   - Outputs a transaction object
   - Example: Transfer of a resource to a new owner.
 - Projection functions (the application read interface)
-  - Outputs meanigful data projected from the state
+  - Outputs meaningful data projected from the state
   - Example: The total quantity of resources of specific kind owned by an identity
 
-
 ```mermaid
 flowchart TB
   subgraph Application
@@ -225,3 +228,29 @@ flowchart TB
   Backend --"read"--> Interface
   Interface --"write"--> Backend
 ```
+
+</details>
+
+### Kudos Token
+
+Accounting primitive for applications
+
+#### Feature Set
+
+- Identifiers (name, symbol, decimals)
+- Orignator
+  - Can initially create new quantities of this kind/
+- Supply
+  - Fixed: The total quantity of resources of this kind is fixed. Resources can still be split and merged.
+  - Capped: Upper bound on the total quantity. Originator cannot create more than this limit. Owners can burn tokens,
+  - Unbound: Originator can inflate the supply.
+- Transferability
+  - Transferable: Your normal token (ERC-20, NFT)
+  - Non-transferable: Soulbound token (SBT)
+
+#### `Token` Implementation
+
+- Resource Label: [1](https://github.com/anoma/anoma-applib/blob/a6c4993f203d759051ef4a31c0c6c7fde0a9e9a2/Applib/Token/Label.juvix#L8-L16),[2](../HelloWorld/.juvix-build/0.6.8/deps/c4c0b1e74196bd1135c8ea27b48f6756d7ec7aa8f5388511e02d6401d1f1c407/Applib/Token/Label.juvix)
+- Resource Logic Function: [1](https://github.com/anoma/anoma-applib/blob/a6c4993f203d759051ef4a31c0c6c7fde0a9e9a2/Applib/Token/Logic.juvix#L13-L23),[2](../HelloWorld/.juvix-build/0.6.8/deps/c4c0b1e74196bd1135c8ea27b48f6756d7ec7aa8f5388511e02d6401d1f1c407/Applib/Token/Logic.juvix)
+- Transaction functions (write interface): [1](https://github.com/anoma/anoma-applib/blob/a6c4993f203d759051ef4a31c0c6c7fde0a9e9a2/Applib/Transaction),[2](../HelloWorld/.juvix-build/0.6.8/deps/c4c0b1e74196bd1135c8ea27b48f6756d7ec7aa8f5388511e02d6401d1f1c407/Applib/Transaction)
+- Projection functions (read interface): [1](https://github.com/anoma/anoma-applib/blob/a6c4993f203d759051ef4a31c0c6c7fde0a9e9a2/Applib/Projection/TotalQuantity.juvix#L9-L12),[2](../HelloWorld/.juvix-build/0.6.8/deps/c4c0b1e74196bd1135c8ea27b48f6756d7ec7aa8f5388511e02d6401d1f1c407/Applib/Projection/TotalQuantity.juvix)