Blockchains are exceptional in that, at the time a transaction has actually been recorded and verified, it may?�t be adjusted. The ledger only permits 1-way knowledge modification. copyright es el exchange de criptomonedas líder en el mundo y atiende a a hundred and fifty millones de usuarios registrados en https://dantegbvmd.blogdigy.com/an-unbiased-view-of-copyright-44423258