| SES # | TOPICS | Key Dates | 
|---|---|---|
| 1 | Signatures, Hashing, Hash Chains, e-cash, and Motivation | 
 | 
| 2 | Proof of Work (PoW) and Mining | 
 | 
| 3 | Signatures | Pset 1 due: Hash-based Signature Schemes | 
| 4 | Transactions and the UTXO Model | 
 | 
| 5 | Synchronization Process, Pruning | 
 | 
| 6 | Simplified Payment Verification (SPV) and Wallet Types | 
 | 
| 7 | OP_RETURN and Catena Guest Lecturer: Alin Tomescu (PhD student in security and applied cryptography) | Pset 2 due: Mine Your Name | 
| 8 | Forks | 
 | 
| 9 | Peer-to-peer Networks Guest Lecturer: Sharon Goldberg (associate professor in computer science at Boston University focusing on network security) | 
 | 
| 10 | PoW Recap, Other Fork Types | 
 | 
| 11 | Fees | 
 | 
| 12 | Transaction Malleability and Segregated Witness | 
 | 
| 13 | Payment Channels and Lightning Network | Pset 3 due: UTXOhunt | 
| 14 | Lightning Network and Cross-chain Swaps | 
 | 
| 15 | Discreet Log Contracts | 
 | 
| 16 | Merkelized Abstract Syntax Trees (MAST), Taproot, Graftroot | 
 | 
| 17 | Anonymity, Coinjoin and Signature Aggregation | 
 | 
| 18 | Confidential Transactions | 
 | 
| 19 | Ethereum and Smart Contracts Guest Lecturer: Joseph Bonneau (assistant professor at NYU's Courant Institute researching security, applied cryptography, security economics, and human factors) | 
 | 
| 20 | More about Ethereum | 
 | 
| 21 | Proof of Work at Industrial Scales Guest Lecturer: David Vorick (Co-founder and CEO of Nebulous / Sia & Obelisk) | 
 | 
| 22 | Alternative Consensus Mechanisms | 
 | 
| 23 | New Directions in Crypto | 
 | 
| 24 | zkLedger | 
 | 

