# Tech Talk: Blockchain

# Block

# Chain

# Hash Pointers

# Applications

# Currency

# Digital Assets

payment information usernames DNS

# Identity

embedding a hash in the blockchain demonstrates an item's existence at point in the past

# Proof of Existence

# How to Make It Real

# Payment Infrastructure

DAO Ethereum/RootStock

# Smart Contracts

# Credits

- Steven Depolo, Flickr
- Pixabay
- Pixabay
- Velveteen Rabbit, Margery Williams 1922