Encyclopedia

This Archive aims to provide the glossary terms and docs you need to understand Bitcoin and start building Bitcoin-based applications.

P

P2PKH address

A Bitcoin payment address comprising a hashed public key, allowing the spender to create a...

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P2PKH output

A Bitcoin payment address comprising a hashed public key, allowing the spender to create a...

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P2SH address

A Bitcoin payment address comprising a hashed script, allowing the spender to create a standard...

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P2SH multisig

A P2SH output where the redeem script uses one of the multisig opcodes. Up...

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P2SH output

A Bitcoin payment address comprising a hashed script, allowing the spender to create a standard...

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Parent key

In HD wallets, a key used to derive child keys. The key can be...

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Parent private key

In HD wallets, a key used to derive child keys. The key can be...

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Parent public key

In HD wallets, a key used to derive child keys. The key can be...

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Payment protocol

The deprecated protocol defined in BIP70 (and other BIPs) which lets spenders get signed payment...

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Payment request

The deprecated protocol defined in BIP70 (and other BIPs) which lets spenders get signed payment...

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Peer

A computer that connects to the Bitcoin network.Not to be confused with: Lightweight node, SPV...

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PKI

Public Key Infrastructure; usually meant to indicate the X.509 certificate system used for HTTP Secure...

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Point function

The ECDSA function used to create a public key from a private key.

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POW

A hash below a target value which can only be obtained, on average, by performing...

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PP amount

Part of the Output part of the PaymentDetails part of a payment protocol where receivers...

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PP expires

The expires field of a PaymentDetails where the receiver tells the spender when the PaymentDetails...

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PP memo

The memo fields of PaymentDetails, Payment, and PaymentACK which allow spenders and receivers to send...

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PP merchant data

The merchant_data part of PaymentDetails and Payment which allows the receiver to send arbitrary data...

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PP pki data

The pki_data field of a PaymentRequest which provides details such as certificates necessary to validate...

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PP pki type

The PKI field of a PaymentRequest which tells spenders how to validate this request as...

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PP script

The script field of a PaymentDetails where the receiver tells the spender what pubkey scripts...

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Previous block header hash

A field in the block header which contains the SHA256(SHA256()) hash of the previous block’s...

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Private extended key

In the context of HD wallets, a public key or private key extended with the...

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Private key

The private portion of a keypair which can create signatures that other people can verify...

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Proof of work

A hash below a target value which can only be obtained, on average, by performing...

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Pruned node

A computer that connects to the Bitcoin network.Not to be confused with: Lightweight node, SPV...

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Pubkey script

A script included in outputs which sets the conditions that must be fulfilled for those...

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Public extended key

In the context of HD wallets, a public key or private key extended with the...

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Public key

The public portion of a keypair which can be used to verify signatures made with...

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Documentation