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

f9bac6cf47f2ce729e6bdfea822fe2e491e2e5dcc85f778eb8cc0fce3a156817

Summary

Location	Block 660,662 248,615 confirmations

Inputs	1 499,342 sats
Outputs	2 493,253 sats

Fee	6,089 sats
Size	214.50 vbytes
Feerate	28.39 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

TXID: f9bac6cf47f2ce729e6bdfea822fe2e491e2e5dcc85f778eb8cc0fce3a156817
wTXID: cd9aa8c0a7050bc29fd498315a8ab433d43ab36e9e74f12528f322b3055e9d20

405 bytes (151 + 254)
214.50 vbytes (151 x 1 + 254 x 0.25)

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