Ethereum under the hood & Reputation and trust in token-based economies

1. "Ethereum under the hood"

Tomasz Drwięga, Developer at Parity Technologies will deliver a talk about how Ethereum works under the hood, including topics like:

• gas, gas limit and gas price

• why do we need nonce? What is a replay attack?

• how to cancel a transaction - plans for new ethereum milestone called Metropolis

• zero gas price transactions

2. "Reputation and trust in token-based economies"

Description coming soon...