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

c8da3a7baae3b42f23d48620df059b81d421d9251f9a7d27c746e1b60f676164

Summary

Location	Block 623,386 285,891 confirmations

Inputs	3 7,620,694 sats
Outputs	2 7,608,374 sats

Fee	12,320 sats
Size	279.00 vbytes
Feerate	44.16 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

TXID: c8da3a7baae3b42f23d48620df059b81d421d9251f9a7d27c746e1b60f676164
wTXID: 466a9196e61df9f956f62ed77c00f3b2c109dfed87f01e8be346d77f219d2581

522 bytes (198 + 324)
279.00 vbytes (198 x 1 + 324 x 0.25)

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