Bitcoin as a Platform

By Rich Apodaca | Updated

This unit is Part 9 of the Annotated Princeton Bitcoin Video Course.

Introduction (1 minute)

What else can be done with Bitcoin beyond currency? Some examples:

  • commitments
  • token tracking
  • multiparty lotteries
  • public randomness
  • prediction markets

Bitcoin as an Append-Only Log (16 minutes)

Most applications of timestamping use OP_RETURN. Since the video was published, Open Timestamps has begun offering efficient timestamping as a service.

Bitcoin as Smart Property (16 minutes)

Bitcoin’s chain-of-ownership security mechanism can be repurposed to track arbitrary digital assets. The two main approaches are:

  • colored coins, e.g. Open Assets;
  • Omni (rebranded from Mastercoin)

Secure Multi-Party Lotteries in Bitcoin (10 minutes)

A follow-up to the secure lottery paper referenced in this video has been published.

Bitcoin as Randomness Source (18 minutes)

Prediction Markets and Real-World Data Feeds (23 minutes)

For an example of a Bitcoin-based prediction settlement, see Betmoose.

Next Up: Altcoins and the Cryptocurrency Ecosystem