The secret 32-byte component of an Ed25519 keypair used to produce digital signatures. The private key must be kept confidential — anyone with access to it can sign transactions and transfer assets from the corresponding account. Private keys are typically stored in JSON files (as 64-byte arrays including the public key) by the Solana CLI or encrypted within wallet software.
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The secret 32-byte component of an Ed25519 keypair used to produce digital signatures. The private key must be kept confidential — anyone with access to it can sign transactions and transfer assets from the corresponding account. Private keys are typically stored in JSON files (as 64-byte arrays including the public key) by the Solana CLI or encrypted within wallet software.
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Accounts, instruções, PDAs, transações e fluxo de execução.
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Private Key (private-key) Categoria: Modelo de Programação Definição: The secret 32-byte component of an Ed25519 keypair used to produce digital signatures. The private key must be kept confidential — anyone with access to it can sign transactions and transfer assets from the corresponding account. Private keys are typically stored in JSON files (as 64-byte arrays including the public key) by the Solana CLI or encrypted within wallet software. Relacionados: Par de Chaves, Chave Pública (Pubkey), Ed25519
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A pair of a 32-byte Ed25519 private key and its corresponding 32-byte public key. Keypairs are used to sign transactions and derive account addresses. They are stored as 64-byte arrays (private + public concatenated) in JSON files by the Solana CLI. The private key should never be shared or exposed.
A 32-byte Ed25519 public key that serves as the unique address for accounts on Solana. Pubkeys are displayed as Base58-encoded strings (e.g., '11111111111111111111111111111111' for the System Program). Every account, program, and PDA is identified by its pubkey.
The elliptic curve digital signature algorithm used by Solana for all transaction signing. Ed25519 uses Curve25519 and produces 64-byte signatures with 32-byte public keys. Solana also provides an Ed25519 precompile program for on-chain signature verification within program logic.
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A pair of a 32-byte Ed25519 private key and its corresponding 32-byte public key. Keypairs are used to sign transactions and derive account addresses. They are stored as 64-byte arrays (private + public concatenated) in JSON files by the Solana CLI. The private key should never be shared or exposed.
A 32-byte Ed25519 public key that serves as the unique address for accounts on Solana. Pubkeys are displayed as Base58-encoded strings (e.g., '11111111111111111111111111111111' for the System Program). Every account, program, and PDA is identified by its pubkey.
The elliptic curve digital signature algorithm used by Solana for all transaction signing. Ed25519 uses Curve25519 and produces 64-byte signatures with 32-byte public keys. Solana also provides an Ed25519 precompile program for on-chain signature verification within program logic.
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The fundamental data storage unit on Solana. Every piece of state is stored in an account identified by a 32-byte public key. Accounts hold a lamport balance, an owner program, a data byte array (up to 10MB), and an executable flag. Only the owning program can modify an account's data, but anyone can credit lamports to it.
Executable code deployed on-chain, equivalent to a smart contract on other blockchains. Programs are stateless—they store no data themselves but read/write data in separate accounts they own. Programs are compiled to SBF bytecode and loaded via the BPF Loader. Every program has a unique Program ID (its account's public key).
A single operation within a transaction that invokes a program. An instruction specifies: (1) the program ID to call, (2) an array of account metas (pubkey, is_signer, is_writable), and (3) an opaque data byte array. Programs decode the instruction data to determine which operation to perform.
An atomic unit of execution containing one or more instructions, a recent blockhash, and one or more signatures. All instructions in a transaction execute sequentially and atomically—if any instruction fails, the entire transaction reverts. Transactions have a 1,232-byte size limit (matching IPv6 MTU) and a default 200,000 CU budget.