learn me a bitcoin

Explorer ◤
Beginners ◤
- How Does Bitcoin Work?
- Getting Started
  - Wallets
  - Exchanges
  - Sending
  - Security
- Guide
  - The Bitcoin Network
  - Node
  - Mining
  - The Blockchain
  - Blocks
  - Difficulty
  - Transactions
  - Outputs
  - Locks
  - Keys & Addresses
  - Private Keys
  - Public Keys
  - Digital Signatures
  - SegWit
Technical ◤
- Networking
  - Node
  - Magic Bytes
- Mining
- Blockchain
- Block
  - Version
  - Previous Block
  - Merkle Root
  - Time
  - Bits
  - Nonce
  - Block Hash
  - blk.dat
- Transaction
  - Input
    - TXID
    - VOUT
    - ScriptSig
    - Sequence
  - Output
    - ScriptPubKey
  - Witness
  - Locktime
  - Fee
  - Size
  - UTXO
  - wTXID
  - PSBT
- Script
  - P2PK
  - P2PKH
  - P2MS
  - P2SH
  - P2SH-P2WPKH
  - P2SH-P2WSH
  - P2WPKH
  - P2WSH
  - P2TR
  - OP_RETURN
- Keys
- Cryptography
  - Hash Function
  - Elliptic Curve
    - ECDSA
    - Schnorr Signatures
- Upgrades
  - Segregated Witness
  - Taproot
- General
Tools ◤
- General
  - Reverse Bytes [+]
  - Little Endian [+]
  - Base Converter [+]
  - Compact Size [+]
  - ASCII [+]
  - Unix Time [+]
  - Unit Converter [+]
- Blocks
  - Block Hash [+]
  - Block Header [+]
  - Merkle Root [+]
  - Target Bits [+]
  - Target Adjustment [+]
  - Difficulty [+]
  - Version Bits [+]
- Transactions
  - Transaction Builder [+]
  - Transaction Splitter [+]
  - TXID [+]
  - wTXID [+]
  - Script [+]
  - Sequence [+]
  - Relative Locktime [+]
  - PSBT Decoder [+]
- Keys & Addresses
  - Private Key [+]
  - Public Key [+]
  - Address (Base58) [+]
  - Address (Bech32) [+]
  - WIF [+]
  - Checksum [+]
  - Base58 [+]
  - Base58Check [+]
  - Bech32 [+]
- HD Wallets
  - Mnemonic Seed [+]
  - Extended Keys [+]
  - Derivation Paths [+]
  - Address (Extended Key) [+]
- Hash Functions
  - HASH256 [+]
  - HASH160 [+]
  - SHA-256 [+]
  - RIPEMD160 [+]
  - SHA-256 (Text) [+]
  - HMAC-SHA512 [+]
  - PBKDF2 [+]
  - Tagged Hash [+]
- Cryptography
  - ECDSA Sign [+]
  - ECDSA Verify [+]
  - DER Signature [+]
  - Schnorr Sign [+]
  - Schnorr Verify [+]
  - Modular Inverse [+]
  - EC Double [+]
  - EC Add [+]
  - EC Multiply [+]

Transaction Icon Transaction

c4d5ab2720af8f9b42e3e26af19c5ab8ffb5bc9435d3583a9c53ed24100abcab

Summary

Location	Block 878,400 30,877 confirmations

Inputs	3 2,020,693 sats
Outputs	2 2,019,170 sats

Fee	1,523 sats
Size	278.75 vbytes
Feerate	5.46 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

TXID: c4d5ab2720af8f9b42e3e26af19c5ab8ffb5bc9435d3583a9c53ed24100abcab
wTXID: 3da45f441ca3462e55317cf95f1eec0df877f2d7fea580d99c5d2a046f4bbab1

521 bytes (198 + 323)
278.75 vbytes (198 x 1 + 323 x 0.25)

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