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

f9139543f2bbd3ccf33b3a1af4fa987caacedbb4d66e38417dda0193e19074e8

Summary

Location	Block 303,816 605,465 confirmations

Inputs	2 766,818 sats
Outputs	2 756,818 sats

Fee	10,000 sats
Size	438.00 vbytes
Feerate	22.83 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

TXID: f9139543f2bbd3ccf33b3a1af4fa987caacedbb4d66e38417dda0193e19074e8
wTXID: f9139543f2bbd3ccf33b3a1af4fa987caacedbb4d66e38417dda0193e19074e8

438 bytes (438 + 0)
438.00 vbytes (438 x 1 + 0 x 0.25)

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