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

5bb37eab4da6048c111c99b0d2b902d2806014d757d27faa8d82983d95dd22c4

Summary

Location	Block 904,301 4,976 confirmations

Inputs	1 946,738,472 sats
Outputs	17 946,736,947 sats

Fee	1,526 sats
Size	635.25 vbytes
Feerate	2.40 sats/vbyte

Features	Segwit RBF

Data

Decoded Hex

Version

1

Inputs (1)

Input 0

TXID 973739e8d74c75c6928da1b5cefbabefb5be6a19c752ba2a321f3af139e4f723

VOUT 9

scriptSig

Witness ASM Hex

304402207215a657dd9d6a16c44edb31427211aa1417ffe4463d8a46a6a943faf92f3887022068ca28bc684c0badf07e50076a650e322ce14b8d1cfde77d8923ac0002abad8401
03a876001a753b82a8bec93c5936e65e0bacacebe5de6ca74adadfced8ebb7ad53

0247304402207215a657dd9d6a16c44edb31427211aa1417ffe4463d8a46a6a943faf92f3887022068ca28bc684c0badf07e50076a650e322ce14b8d1cfde77d8923ac0002abad84012103a876001a753b82a8bec93c5936e65e0bacacebe5de6ca74adadfced8ebb7ad53

Type: P2WPKH

Sequence

ffffffff

Locktime: Not Enabled
RBF: Not Enabled

Locktime

0

TXID: 5bb37eab4da6048c111c99b0d2b902d2806014d757d27faa8d82983d95dd22c4
wTXID: 3ae0dec0ae7bd5a69a023c8c303acadca9cad72adac6b9b4a22a4c608a2e21fd

717 bytes (608 + 109)
635.25 vbytes (608 x 1 + 109 x 0.25)

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