Cryptocurrency.md (876B)
1 # Cryptocurrency 2 3 **Source:** MIT MAS.S62 Cryptocurrency Engineering and Design L1 4 5 **Definition:** Cryptocurrency is a digital asset that uses a digital ledger for tracking transactions. 6 7 ## Some properties we'd like 8 9 1. Permissionless 10 - Money can be spent only if it is owned by the individual 11 - No authority limiting transactions 12 2. No double spends 13 3. Tamper-proof 14 - Can't take back a spend easily 15 - Can't tamper with history 16 17 ## [Distributed consensus](DistributedConsensus.md) 18 19 To achieve distributed consensus it is frequently useful to have a distributed log of transactions. In Bitcoin this is achieved using [Proof of Work](ProofOfWork.md). 20 21 ## Links 22 23 - [Coincidence of Wants](CoincidenceOfWants.md) 24 - [Depository](Depository.md) 25 - [Chaumian eCash](ChaumianECash.md) 26 - [Blockchain](Blockchain.md) 27 - [CAP Theorem](CAPTheorem.md) 28 - [PACELC](PACELC.md)