Metro Ticket Validator

Free Download Metro Ticket Validator

Metro, subway, bus automatic ticket validator. Subway ticket machine sound effect. Metro tickets need to be validated before entering trains in Vienna, Austria. Best online SFX library. Download for free "Metro Ticket Validator" MP3 file has bitrate 192 Kbps, size 48 kilobytes and length 00:02 seconds:

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Who is a validator

Blockchain is a network without a single control center, so the participants themselves are responsible for maintaining the work of the distributed registry. In projects based on PoW consensus, this is done by miners, and if the PoS algorithm is used, by validators.

Blockchain is a database that stores information about all transactions made in cryptocurrency. If the registry supports smart contracts, they are also written to it. But the distributed ledger has a significant drawback: there is no person or company who is obliged to support its work. Therefore, this activity is assigned to miners or validators, depending on which algorithm is used to achieve consensus between blocks. Consider what a validator is.

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