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Bitcoin Sidechains & SPV Proofs

# Blockstream Sidechain Proposal: https://blockstream.com/sidechains.pdf # RSK Bitcoin Mainnet Sidechain w/ Solidity EVM https://media.rsk.co/bamboo-mainnet-beta-release-v0-4-0-is-here/ # Criticisms of Sidechain security by Peter Todd: 1. SPV proof security is weaker than full blockchain verification 2. Sidechain mining via merge mining tends towards large mining pools and centralisation https://www.reddit.com/r/Bitcoin/comments/2424×1/peter_todd_explainins_why_sidechains_are_insecure/

Bit2Me

23 August, 2021

Bitcoin Q&A: Simplified Payment Verification (SPV)

What are Simplified Payment Verification (SPV) proofs? How are they used in a scenario with sidechains? This question is from the sixth session of MOOC 12, which took place on October 18th 2019. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop […]

Bit2Me

23 August, 2021

Blockchain/Bitcoin for beginners 7: Blockchain header: Merkle roots and SPV transaction verification

How are transactions stored (and recorded) in the Blockchain blocks? Using a concept called a Merkle tree – in this video I break it down in depth with a simple example and show how a SPV node (Simple Payment Verification) node that does not keep a full copy of the blockchain transaction history – just […]

Bit2Me

23 August, 2021

01:16:34

#bacOpenWebinar: El extraño mundo de las billeteras de Ethereum

¡Sean bienvenidos a un nuevo #BacOpenWebinar! En esta jornada estaremos aprendiendo junto a Esteban Miño, mobile engineer en Rainbow wallet, sobre las opciones que tenemos para guardar nuestras criptomonedas e interactuar con el ecosistema de aplicaciones descentralizadas en Ethereum, con un enfoque especial en consejos de seguridad para gestionar nuestras billeteras. Acompaña a Cristóbal y […]

Bit2Me

19 August, 2021

07:11

Unboxing of the GridPlus Lattice1 Hardware wallet

BUY GRIDPLUS LATTICE1 WALLET 👉 Link: http://www.gridplus.io?afmc=4h 👉 Disclaimer: this is an affiliate link FREE TRAININGS 👉 How to find your first 6-Figures Blockchain Developer Job: https://eattheblocks.com/bootcamp 👉 Learn how to create Profitable Flashloans: https://eattheblocks.com/flash COURSES 👉 DeFi Development Mastery: https://eattheblocks-pro.teachable.com/p/defi-development-mastery 👉 Profitable Flashloans: https://eattheblocks-pro.teachable.com/p/profitable-flashloans 👉 6 Figures Blockchain developer course: https://eattheblocks.com/6-figure-blockchain-developer FACEBOOK GROUP 👉 […]

Bit2Me

23 June, 2021

10:50

Bitcoin Q&A: SIGHASH_NOINPUT and Custodial Wallets

Do Bitcoin Core / base layer developers and Lightning Network / second layer developers coordinate? What is SIGHASH_NOINPUT? Where can I find details about how locking and unlocking scripts work for Lightning channels? BOLT 3 focuses on script formatting. How safe are custodial Lightning wallets? These questions are from the March and April monthly subscriber […]

Bit2Me

13 January, 2021

02:50

DeFi Wallets and Self-Custody: How to be 100% in Control

NOTE: As you cruise along this series, you will notice how fast the DeFi space is; both in terms of execution and change. So if you happen to spot a discrepancy between what is said and what is shown on screen, particularly in regards to numbers, it is due to that. Keep it in mind […]

Bit2Me

11 December, 2020

TOP 3 DEFI WALLETS FOR 2021 – What Features Do They Support?

So what are the top 3 DeFi-friendly wallets? What features do they support? And what are the pros and cons of using each of them? We’ll answer all of these questions in this video. 🔒 Ledger (Xmas promo) ► https://shop.ledger.com/pages/christmas-pack?r=b0b220a75e03 (the Black Friday offer is finished, but Xmas promo is on, affiliate) 📱 Argent Wallet […]

Bit2Me

4 December, 2020

102

06:56

🔵 🤔 ¿Se APAGA la fiebre por DEFI? – Bit2Me Crypto News – 04.12.2020

🎁 ¡SORTEO 100 PROGRAMAS! 🎁 https://twitter.com/bit2me/status/1334848680692768768 🤔 ¿Se apaga la fiebre de DeFi? – Cada vez se están quemando más WBTC – WBTC es un token emitido en la red de Ethereum que representa un BTC bloqueado en la red de Bitcoin – Algunas personas usan WBTC para poder interactuar en la red de Ethereum […]

Bit2Me

4 December, 2020

139

06:21

🔵 👝 800K billeteras con MÁS de 1 BITCOIN – Bit2Me Crypto News – 27.11.2020

👝 Las billeteras con menos de un Bitcoin sólo representan el 5% de todos los bitcoin – Las billeteras con mínimo 1 BTC incrementan año tras año – Hoy hay más de 800.000 billeteras con más de 1 BTC – Si tienes 1 BTC ó más, estás en el 0.01% más rico de la población […]

Bit2Me

27 November, 2020

01:38

The Tears Test: Mobile Cryptocurrency Wallets vs Hardware Wallets

It is okay to store most of your cryptcurrency (including bitcoin) in a non-custodial mobile wallet? Not really. How much crypto should you store on your phone? Apply the tears test! 😢 Save yourself some tears and watch this video. 0:00 Is it okay to store most of my crypto in non-custodial phone wallets vs […]

Bit2Me

23 November, 2020

04:22

WORST Ways to Store Bitcoin: avoid these common bitcoin security mistakes

How secure are your bitcoin? Don’t make easily avoidable mistakes when it comes to your cryptocurrency security and storage. Watch this video and make sure you’re not storing your bitcoin in one of the worst places! 0:00 What are the worst ways to store bitcoin? 0:16 Worst place to store bitcoin 1:56 2nd worst practice: […]

Bit2Me

13 November, 2020