| Two-Party Multi-Signature Transactions | A trivial two-party multi-signature scheme for signing and sending transactions | 
| Multi-Sig Management | Integrate key management on Casper accounts and sign transactions with multiple keys | 
| Interacting with Runtime Return Values | Contract code returning a value to the immediate caller via runtime::ret() | 
| Safely Transfer Tokens to a Contract | Two methods to handle tokens via a contract | 
| Reading and Writing to Global State using Rust | Methods to read and write data to global state on a Casper network using Rust | 
| Cross Contract Communication | Variations of cross-contract communication for more complex scenarios | 
| Working with Authorization Keys | Retrieve and use the authorization keys associated with a transaction |