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

4c213a22a06e1e0e3c550eb7db0f3a0082d2e97c63be6f737f1d0eaab38eccd8

Summary

Location	Block 656,336 252,945 confirmations

Inputs	2 115,451,192 sats
Outputs	2 115,401,914 sats

Fee	49,278 sats
Size	258.00 vbytes
Feerate	191.00 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

TXID: 4c213a22a06e1e0e3c550eb7db0f3a0082d2e97c63be6f737f1d0eaab38eccd8
wTXID: 8385ebe9f1ea87ef406565599152374e4337eff3d173cd9ff2a0782bdb43f223

420 bytes (204 + 216)
258.00 vbytes (204 x 1 + 216 x 0.25)

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