Lecture 3 (easy)

<p>OP_DUP</p> Signup and view all the answers

<p>The output value matches the input value</p> Signup and view all the answers

<p>Transaction-based ledger</p> Signup and view all the answers

<p>SHA-256 hashing</p> Signup and view all the answers

<p>To verify the transaction with the recipient's public key</p> Signup and view all the answers

<p>Checks if a signature is valid for a given public key</p> Signup and view all the answers

<p>Ensures that only the intended recipient can spend the funds</p> Signup and view all the answers

<p>To verify that the provided signature corresponds to the public key in the scriptPubKey</p> Signup and view all the answers

<p>Both the signature and the public key</p> Signup and view all the answers

<p>The current transaction data</p> Signup and view all the answers

<p>To protect the privacy of the recipient</p> Signup and view all the answers

<p>The hash of the provided public key</p> Signup and view all the answers

<p>Fully validating nodes store the entire blockchain, while lightweight nodes only store pieces needed to verify specific transactions.</p> Signup and view all the answers

<p>26 GB</p> Signup and view all the answers

<p>Lightweight nodes store only specific pieces needed to verify transactions.</p> Signup and view all the answers

<p>To fit within RAM capacity</p> Signup and view all the answers

<p>Lightweight nodes have lower storage costs due to not storing the entire blockchain.</p> Signup and view all the answers

<p>To verify the digital signature of the transaction.</p> Signup and view all the answers

<p>It represents the conditions that must be met for the recipient to spend the coins.</p> Signup and view all the answers

<p>scriptSig contains the unlocking script that provides the necessary data to fulfill the locking conditions (scriptPubKey).</p> Signup and view all the answers

<p>The recipient needs to provide a public key hash (address) to spend the coins.</p> Signup and view all the answers

<p>The scriptPubKey of an output contains the recipient's address.</p> Signup and view all the answers

<p>OP_CHECKSIG verifies that the signature matches the public key associated with the address.</p> Signup and view all the answers

<p>OP_CHECKSIG is used to verify the digital signature of the transaction.</p> Signup and view all the answers

<p>The scriptPubKey contains the recipient address in a Bitcoin transaction.</p> Signup and view all the answers

<p>The scriptSig includes the digital signature and the public key of the sender.</p> Signup and view all the answers

<p>The recipient needs to provide the public key and a digital signature to spend the coins.</p> Signup and view all the answers

<p>Providing the full public key would compromise the security of the address.</p> Signup and view all the answers

<p>The Bitcoin address is used to receive and send Bitcoin transactions.</p> Signup and view all the answers

<p>OP_CHECKSIG is used to validate that the provided signature was generated by the private key corresponding to the public key.</p> Signup and view all the answers

<p>scriptPubKey verifies that the provided public key hashes to the hash in the scriptPubKey, and then it checks the signature against the public key.</p> Signup and view all the answers

<p>scriptSig in a Bitcoin transaction is used to combine with scriptPubKey to verify the transaction by adding the signature and public key to the stack.</p> Signup and view all the answers

<p>In a P2PKH transaction, the recipient needs to provide both the signature and the public key to spend the coins. The script verifies that the public key hashes to the hash in scriptPubKey.</p> Signup and view all the answers

<p>A sender can't provide a full public key in a Bitcoin address with P2PKH because the address is only a hash, not the full public key.</p> Signup and view all the answers

<p>A Bitcoin address is a hash that allows the sender to provide a secure way of transferring funds without revealing the full public key.</p> Signup and view all the answers

<p>It defines the conditions that must be met to spend the coins.</p> Signup and view all the answers

<p>To enhance privacy and security by not revealing the full public key until the coins are spent.</p> Signup and view all the answers

<p>It contains the signature and public key necessary to spend the coins.</p> Signup and view all the answers

<p>It verifies the signature against the public key.</p> Signup and view all the answers

<p>The recipient needs to provide the public key and a signature.</p> Signup and view all the answers

<p>A Bitcoin address is referred to as a scriptPubKey.</p> Signup and view all the answers

<p>OP_CHECKSIG is used to verify the digital signature of a transaction.</p> Signup and view all the answers

<p>scriptPubKey contains the conditions that must be met to spend the transaction output.</p> Signup and view all the answers

<p>scriptSig contains the digital signature and public key needed to unlock the funds.</p> Signup and view all the answers

<p>P2PKH requires the recipient to provide a public key hash to receive funds.</p> Signup and view all the answers

<p>A Bitcoin address is used to receive and send Bitcoin transactions.</p> Signup and view all the answers

<p>To enhance security and privacy, P2PKH only requires the recipient to provide a public key hash.</p> Signup and view all the answers