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

c3dca72f28eb851a81f498a1ca7f4691bdf8a4fb25ace83bfcb8dbcf46a8ce72

Summary

Location	Block 908,801 480 confirmations

Inputs	1 103,843,474 sats
Outputs	9 103,841,609 sats

Fee	1,865 sats
Size	372.50 vbytes
Feerate	5.01 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

TXID: c3dca72f28eb851a81f498a1ca7f4691bdf8a4fb25ace83bfcb8dbcf46a8ce72
wTXID: 35b9c8110cff3c2b666651ee0c8ae6bcfbef95fc4785a1b0b6633d1bc3ff9743

455 bytes (345 + 110)
372.50 vbytes (345 x 1 + 110 x 0.25)

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