Sonja Bernhardt OAMBitcoins

Downloaded from sonjabernhardt.com as part of your cruise ship presentation.

This is provided as a guide only. This is not a legal document.

The provider of this guide, Sonja Bernhardt, chooses to deal only by voluntary trade with responsible, thinking people, therefore you should use due diligence and if you choose to act upon this guide in any way you then accept responsibility for your choices or any related or unrelated circumstances.

• Wallet:• Bank Account

• Hot Wallet:

• Use when Internet connected

• Quick transactions –not best for long term secure storage

• Mostly Free

App, Website, or Device – manage Private Keys /Secret Codes (security access to your account)

• Vault: • Hardware

Wallet

• Physical device to be connected before able to use. Best if LOTS of currency

• Mostly Cost

• Keys:• Public and

Private

• Everyone Public

• Only YOU have private to decrypt/unlock

• Thefts and Scams:

• August 2016: Bitfinexhack - $70 million lost

• March 2014: Mt Gox- $450 million lost

• ONLY safe if: • Private key

generated securely

• Remains a secret• Controlled by

YOU!

• Piggy Bank: Kids Savings

• Device to store funds away e.g. school/college funds. Physical with QR Code link

Puzzles andProblem Solving

Hash – Algorithm: (input string any length – output fixed length (max 256)Nonce – random stringMerkle Root – the starting (node) of a tree