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Understanding Bitcoin: Unspent Transaction Output (UTXO)
Understanding Bitcoin: Unspent Transaction Output (UTXO)
Published: 2017/08/31
Channel: xfiat
What is an Unspent Transaction Output (UTXO)?
What is an Unspent Transaction Output (UTXO)?
Published: 2015/05/01
Channel: Bitcoin Uncensored
Why are Bitcoin transactions so weird? Programmer explains.
Why are Bitcoin transactions so weird? Programmer explains.
Published: 2017/11/25
Channel: Ivan on Tech
UTXO
UTXO
Published: 2018/01/22
Channel: Lets Learn Blockchain
Bitcoin Transaction Details - Part 1
Bitcoin Transaction Details - Part 1
Published: 2014/07/07
Channel: djp3
Inputs - Bitcoin
Inputs - Bitcoin's "Change"
Published: 2015/08/03
Channel: 99Bitcoins
Blockchain tutorial 27: Bitcoin raw transaction and transaction id
Blockchain tutorial 27: Bitcoin raw transaction and transaction id
Published: 2017/07/07
Channel: Mobilefish.com
ep 13: How is bitcoin "locked" to an address - OP_CHECKSIG, locking scripts, signatures, UTXO chain
ep 13: How is bitcoin "locked" to an address - OP_CHECKSIG, locking scripts, signatures, UTXO chain
Published: 2017/02/19
Channel: Matt Thomas
BITCOIN TRANSACTIONS DELAYED/UNCONFIRMED/STUCK EXPLAINED!
BITCOIN TRANSACTIONS DELAYED/UNCONFIRMED/STUCK EXPLAINED!
Published: 2017/12/22
Channel: GenicsTheCrypto
How to Confirm the Unconfirmed Bitcoin Transactions Quickly
How to Confirm the Unconfirmed Bitcoin Transactions Quickly
Published: 2017/09/24
Channel: Dinesh Varyani
Fragmented UTXOs - What are they and what
Fragmented UTXOs - What are they and what's happening at Coinbase
Published: 2017/12/23
Channel: m1xolyd1an
What is a UTXO?
What is a UTXO?
Published: 2018/04/05
Channel: Komodo Platform
Bitcoin UTXOs vs Ethereum accounts
Bitcoin UTXOs vs Ethereum accounts
Published: 2017/04/27
Channel: Michael Folkson
ep 11: Introduction to transaction inputs/outputs, UTXO - cash analogy
ep 11: Introduction to transaction inputs/outputs, UTXO - cash analogy
Published: 2016/11/06
Channel: Matt Thomas
Blockchain tutorial 26: Bitcoin transaction
Blockchain tutorial 26: Bitcoin transaction
Published: 2017/07/05
Channel: Mobilefish.com
How To Double Spend Your Stuck Bitcoin Transaction with FSS-RBF
How To Double Spend Your Stuck Bitcoin Transaction with FSS-RBF
Published: 2015/08/15
Channel: m1xolyd1an
How To Get Your Bitcoin Transaction Confirmed with CPFP
How To Get Your Bitcoin Transaction Confirmed with CPFP
Published: 2017/05/21
Channel: m1xolyd1an
Blockchain | How To Verify A Bitcoin Transaction And Get Your Hash ID
Blockchain | How To Verify A Bitcoin Transaction And Get Your Hash ID
Published: 2017/09/03
Channel: ZarFund Success Team
How to Recover Missing Bitcoins / Not Showing Up While Wallet Syncing
How to Recover Missing Bitcoins / Not Showing Up While Wallet Syncing
Published: 2016/11/13
Channel: m1xolyd1an
How to get a Refund for an Unsuccessful Coinpayments Transaction
How to get a Refund for an Unsuccessful Coinpayments Transaction
Published: 2016/12/07
Channel: OJ Jordan
How to Trace a Bitcoin Transaction using a Bitcoin receiving address
How to Trace a Bitcoin Transaction using a Bitcoin receiving address
Published: 2017/08/31
Channel: Rex Kneisley
Inputs - Bitcoin
Inputs - Bitcoin's "Change"
Published: 2014/08/06
Channel: Ofir Beigel
Transazioni e UTXO (Unspent Tx Output): il contenuto dei Blocchi della Blockchain
Transazioni e UTXO (Unspent Tx Output): il contenuto dei Blocchi della Blockchain
Published: 2018/07/11
Channel: Marco Casario
How to Prove That You Sent Someone Bitcoin
How to Prove That You Sent Someone Bitcoin
Published: 2017/11/08
Channel: Rex Kneisley
How to confirm your unconfirmed bitcoin transaction (Hindi)
How to confirm your unconfirmed bitcoin transaction (Hindi)
Published: 2017/09/01
Channel: Bhanu Shakya
How to retrieve or get your transaction ID or Hash from BlockChain
How to retrieve or get your transaction ID or Hash from BlockChain
Published: 2017/02/01
Channel: Uduak Essien
Bitcoin ke unconfirmed transaction confirm  kaise kare !!
Bitcoin ke unconfirmed transaction confirm kaise kare !!
Published: 2017/12/25
Channel: ALL IN ONE
Blockchain Unconfirmed Transaction By Global Rashid in Hindi/Urdu
Blockchain Unconfirmed Transaction By Global Rashid in Hindi/Urdu
Published: 2017/05/29
Channel: Global Rashid
Unconfirmed Transaction for Hours/Days? - How To Speed Up your Bitcoin Transactions
Unconfirmed Transaction for Hours/Days? - How To Speed Up your Bitcoin Transactions
Published: 2017/07/08
Channel: Bitcoin Tutorials
How to get Hash ID or transactioin receipt of bitcoin on Blockchain.info
How to get Hash ID or transactioin receipt of bitcoin on Blockchain.info
Published: 2016/03/03
Channel: Cesar Salaum Jr.
Day 6 - Bitcoin Transactions. Mempool. Mining and Proof of Work.
Day 6 - Bitcoin Transactions. Mempool. Mining and Proof of Work.
Published: 2018/05/26
Channel: CRYPTO X HUNTERS
How to Check Bitcoin Transaction Status on Blockchain || Check Bitcoin Pending Payment
How to Check Bitcoin Transaction Status on Blockchain || Check Bitcoin Pending Payment
Published: 2017/11/12
Channel: MONEY GROWTH
IOTA tutorial 10: Transaction and Bundle
IOTA tutorial 10: Transaction and Bundle
Published: 2018/01/30
Channel: Mobilefish.com
Blockchain A-Z: Output
Blockchain A-Z: Output
Published: 2017/08/08
Channel: Blockchain WTF
How to Refund a Bitcoin Transaction
How to Refund a Bitcoin Transaction
Published: 2017/04/21
Channel: BitPay
Day 11 - EVM, smart contracts, dapps, UTXO
Day 11 - EVM, smart contracts, dapps, UTXO'S & account model explained
Published: 2018/06/01
Channel: CRYPTO X HUNTERS
How long does it take for the Blockchain to confirm your upgrade?
How long does it take for the Blockchain to confirm your upgrade?
Published: 2017/02/17
Channel: The BTC Heroes Club
What is a Bitcoin Full Node? Why would I want one?
What is a Bitcoin Full Node? Why would I want one?
Published: 2017/12/28
Channel: Off Chain with Jimmy Song
BTC News - Coinbase Accused of Technical Incompetence After Hoarding Millions of UTXOs
BTC News - Coinbase Accused of Technical Incompetence After Hoarding Millions of UTXOs
Published: 2017/12/23
Channel: Bitcoin News
QTUM | AMA with CEO Patrick Dai LIVE in Singapore! |
QTUM | AMA with CEO Patrick Dai LIVE in Singapore! |
Published: 2017/11/23
Channel: CryptoGrinders
BTC News - Gavin Andresen Drops A New Concept On Github for Bitcoin Cash
BTC News - Gavin Andresen Drops A New Concept On Github for Bitcoin Cash
Published: 2018/01/03
Channel: Bitcoin News
Bitcoin Q&A: Public keys vs. addresses
Bitcoin Q&A: Public keys vs. addresses
Published: 2018/05/10
Channel: aantonop
Unspent Meaning
Unspent Meaning
Published: 2015/04/29
Channel: ADictionary
How To Speed Up A Stuck Bitcoin Transaction
How To Speed Up A Stuck Bitcoin Transaction
Published: 2017/12/22
Channel: Alex Fergus
blockchain.info sent transaction disappeared
blockchain.info sent transaction disappeared
Published: 2017/04/15
Channel: Bitcoin Digital Money
ep 15: Say "I love you" on the Blockchain - with Coinbin and Smartbit
ep 15: Say "I love you" on the Blockchain - with Coinbin and Smartbit
Published: 2016/11/27
Channel: Matt Thomas
Bitcoin Genesis Block
Bitcoin Genesis Block
Published: 2017/12/04
Channel: ByteSize Blockchain
How to Quickly make blockchain to confirm transaction
How to Quickly make blockchain to confirm transaction
Published: 2017/02/23
Channel: drigweeu henry
Send Litecoin to Bittrex using Jaxx and monitor confirmations with BlockCypher
Send Litecoin to Bittrex using Jaxx and monitor confirmations with BlockCypher
Published: 2017/08/31
Channel: deeplizard
Crypto News Apr 26th: Mt Gox moving money, Substratum Source Code, Over 17 Million Bitcoin
Crypto News Apr 26th: Mt Gox moving money, Substratum Source Code, Over 17 Million Bitcoin
Published: 2018/04/26
Channel: Hardly Difficult
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
  (Redirected from Unspent transaction outputs)
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In cryptocurrencies, an unspent transaction output (UTXO) is an output of a blockchain transaction that has not been spent, i.e. used as an input in a new transaction. Bitcoin is the most famous example of a cryptocurrency that uses the UTXO model.[1][2][3]

Outputs are a superset of UTXOs.[1] Accordingly, UTXOs are a subset of the outputs superset. Bitcoin UTXO lifespans have been studied.[4]

In the case of a valid blockchain transaction, unspent outputs (and only unspent outputs) may be used to effect further transactions. The requirement that only unspent outputs may be used in further transactions is necessary to prevent double spending and fraud.

For this reason, inputs on a blockchain are deleted when a transaction occurs, whilst at the same time, outputs are created in the form of UTXOs. These unspent transaction outputs may be used (by the holders of private keys; for example, persons with cryptocurrency wallets) for the purpose of future transactions.

See also[edit]

References[edit]

Further reading[edit]


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