Introduction.

Bitcoin Overview.
What is Bitcoin?
What consensus mechanism does BTC use and how does it work? https://www.ledger.com/academy/blockchain/what-is-proof-of-work
Bitcoin use cases.

Common scams for BTC holders and how to protect yourself from them.
Phishing attempts using the recovery phrase.
Being convinced by a scammer to send them bitcoins in exchange for more bitcoins, or some other promise that is never fulfilled.
Be careful with services that offer BTC staking.
Always remember: Not your keys, not your cryptocurrency.

Quick overview of Ledger Live.
What is Ledger Live?
What is a seed phrase?
What happens when I add an account in Ledger Live?
Where are my cryptocurrencies actually stored and how can I access them with my Nano/Ledger Live?

Add a funded BTC account to Ledger Live.
There are four different address types for BTC (Legacy, Segwit, Native Segwit, Taproot).
All BTC address types are compatible with each other, but some exchanges only support certain ones (usually Native Segwit).
How to buy BTC – a shout out to PayPal.
How to get BTC into your account.

Add a second BTC account to Ledger Live from another Nano.
Brief explanation of how to manage multiple accounts with different recovery phrases in Ledger Live.
Initiate a transaction between the two different wallets.
Get the transaction ID and view progress in the public block explorer.

Extended public key (XPUB) and unspent transaction output (UTXO) addresses.
How an XPUB is used to derive the individual UTXO addresses that users send funds to.
Why sharing an XPUB is technically OK, but it limits anonymity on the network.
How to get the XPUB address from Ledger Live and analyze it in a public block explorer to see all your UTXO addresses – https://support.ledger.com/hc/en-us/articles/6275459128989-How-to-analyze-a-Bitcoin-BTC-account-xPub?docstrue

Coin control.
In Ledger Live, show users how to customize which UTXOs they want to send funds from using the Coin Control feature. More details here – https://support.ledger.com/hc/en-us/articles/360015996580-Using-Coin-control?docstrue
How using a Ledger account as a miner can bring certain challenges (too many UTXOs are used).
This is how Bitcoin network fees are calculated.
How the Coin Control feature can help reduce network transaction fees.

Connect Ledger to Electrum.
Electrum Download – https://electrum.org/#download
Is connecting to a third-party wallet secure?
What is the mempool and what does it mean to be stuck in the mempool?
A cool visualization of the current status of the mempool – https://txstreet.com/
Initiate a low-fee BTC transaction and demonstrate how it can be accelerated with Electrum.

ordinal numbers.
How to connect to Sparrow to manage ordinals: https://support.ledger.com/hc/en-us/articles/9430682875805-Storing-and-managing-Bitcoin-ordinals-with-your-Ledger?supporttrue
*Note* This is a complex process and is still under development. Please exercise caution and do as much research as possible before proceeding.

questions and answers

*Edit*
During the stream, it was mentioned that the block size for Bitcoin is 8MB, but in reality it is 1MB. However, technically, a BTC block can now be up to 4MB thanks to Segregated Witness or Segwit protocol upgrade.

Read this article to learn more about the upgrades that Segwit and Native Segwit have introduced to the Bitcoin protocol – https://www.ledger.com/academy/difference-between-segwit-and-native-segwit

For more information on the Taproot upgrade, see this article: https://www.ledger.com/academy/what-is-taproot

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