Sentences with phrase «only valid transactions»

To ensure that bitcoins are not spent twice and that only valid transactions are added to the block chain, all computers in the network must compete with each other to calculate a checksum (a cryptographic puzzle).

Not exact matches

For example, a transaction can only be valid if the sender actually owns the sent amount.

This option makes Kindle editions accessible to readers whose credit cards (Visa and Mastercard only) are not valid for international, i.e. dollar, transactions.

Note that this argument only holds for when the customer knows in advance what the exchange rate would be, for cases where it is calculated afterwards I have not found any valid excuse for such large margins (except that it allows them to offer other services at a lower price because these transaction).

Valid for purchase transactions only.

This credit is valid only for this reservation and must be used in one single transaction at the moment of check out at the front desk, if not used it will not be available for future use and will not be refunded or transferred to other reservations.

Since the receiver created that address using a private key only he knows, he is the only one who can create a valid scriptSig, and therefore the only one who can create a new transaction and spend the locked up bitcoin.

A transaction that spends these bitcoins would be considered valid only at some point in the future, relative to when the bitcoins were «locked up.»

If there is only one implementation being widely used, then unforeseen bugs appearing (or even disappearing) in upgrades can cause the entire Bitcoin blockchain to essentially fork into two as the two versions of the protocol disagree on which transactions and blocks are valid and which are not.»

This signature is also only used one time and is valid for that particular transaction.

The better option denotes soft forks or changes to app protocol where only previously valid block transactions become invalid.

You may also sometimes hear mention of a «soft fork», a change to the software protocol where only previously valid blocks / transactions are made invalid.

Many real estate professionals have made the mistake of taking a listing and marketing it as a short sale only to find out later that the investor will not approve the transaction due to the seller not having a valid financial hardship.

Not valid in conjunction with a real estate transaction or on appliance - only plans.