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

836bfd0f7baea70bf8c97c4398cb17fec69dfcc8d0c9da6417b5bc3e0aefb47e

Summary

Location	Block 665,297 243,984 confirmations

Inputs	1 422,181 sats
Outputs	4 403,544 sats

Fee	18,637 sats
Size	279.75 vbytes
Feerate	66.62 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

TXID: 836bfd0f7baea70bf8c97c4398cb17fec69dfcc8d0c9da6417b5bc3e0aefb47e
wTXID: b20db9a45db7dbff0662fdab76ca83fcbef6f31731106212c343e21097c8cb67

471 bytes (216 + 255)
279.75 vbytes (216 x 1 + 255 x 0.25)

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