Interactive Academy

Block

Primitive · difficulty 1/4

Block Header

Primitive · difficulty 1/4

Transaction

Primitive · difficulty 1/4

Input

Primitive · difficulty 1/4

Output

Primitive · difficulty 1/4

Unspent Transaction Output (UTXO)

Primitive · difficulty 1/4

Script

Mechanism · difficulty 2/4

Signature

Mechanism · difficulty 2/4

Proof of Work

Mechanism · difficulty 2/4

Difficulty Target

Rule · difficulty 2/4

Coinbase Transaction

Primitive · difficulty 2/4

Mempool

Mechanism · difficulty 1/4

Mining (Lesson Anchor)

Mechanism · difficulty 1/4

Reorg

Mechanism · difficulty 3/4

Confirmation

Property · difficulty 1/4

SegWit

Upgrade · difficulty 2/4

Taproot

Upgrade · difficulty 3/4

What is Bitcoin

Property · difficulty 1/4

Transactions Lifecycle

Mechanism · difficulty 1/4

UTXO Model

Mechanism · difficulty 1/4

Blocks and Headers

Primitive · difficulty 1/4

Mining and Subsidy

Mechanism · difficulty 2/4

Difficulty Adjustment (2016)

Rule · difficulty 2/4

Consensus Rules vs Policy

Rule · difficulty 2/4

Pseudonymity, Not Anonymity

Property · difficulty 1/4

Wallets Hold Keys, Not Coins

Mechanism · difficulty 1/4

Address vs Public Key

Primitive · difficulty 2/4

Lightning Network Maturity

Mechanism · difficulty 2/4

SegWit and Taproot Upgrades

Upgrade · difficulty 2/4

Double Spend

Attack · difficulty 2/4

51% Attack

Attack · difficulty 4/4

Nonce

Primitive · difficulty 1/4

Merkle Root

Primitive · difficulty 2/4

Previous Block Hash

Primitive · difficulty 1/4

Timestamp

Primitive · difficulty 1/4

nBits

Primitive · difficulty 2/4

Version Field

Primitive · difficulty 2/4

Locktime

Rule · difficulty 2/4

Sequence

Rule · difficulty 3/4

Witness Data

Primitive · difficulty 2/4

scriptPubKey

Primitive · difficulty 2/4

scriptSig

Primitive · difficulty 2/4

Schnorr Signature

Mechanism · difficulty 3/4

ECDSA Signature

Mechanism · difficulty 2/4

P2PKH

Primitive · difficulty 2/4

P2SH

Primitive · difficulty 2/4

P2WPKH

Primitive · difficulty 2/4

P2WSH

Primitive · difficulty 3/4

P2TR

Primitive · difficulty 3/4

Fee Rate

Property · difficulty 1/4

Dust Limit

Rule · difficulty 2/4

Block Subsidy

Rule · difficulty 1/4

Halving

Rule · difficulty 1/4

Consensus Rules

Rule · difficulty 2/4

Chainwork

Property · difficulty 3/4

Probabilistic Finality

Property · difficulty 2/4

Immutability

Property · difficulty 2/4

Orphan/Stale Block

Property · difficulty 2/4

Selfish Mining

Attack · difficulty 4/4

Eclipse Attack

Attack · difficulty 4/4

Fee Sniping

Attack · difficulty 3/4

Replace-by-Fee (RBF)

Rule · difficulty 2/4

Child Pays For Parent (CPFP)

Mechanism · difficulty 2/4

Address Reuse

Property · difficulty 1/4

UTXO Set Growth

Property · difficulty 2/4

Hashpower Majority Assumption

Assumption · difficulty 3/4

Independent Validation Assumption

Assumption · difficulty 2/4

Network Topology Assumption

Assumption · difficulty 3/4

SHA256 Preimage Resistance Assumption

Assumption · difficulty 3/4

Decentralized Hash Distribution

Mechanism · difficulty 3/4

Faster Block Propagation

Mechanism · difficulty 3/4

2010 Value Overflow Bug

Vulnerability · difficulty 4/4

CVE-2018-17144

Vulnerability · difficulty 4/4

CVE-2013-2292

Vulnerability · difficulty 3/4

Timewarp Vulnerability

Vulnerability · difficulty 3/4

Pre-SegWit Transaction Malleability

Vulnerability · difficulty 3/4