Proponents view the blockchain technology as transformative because its emergence has
solved many security problems in the open environment. However, it is necessary to study …

Most blockchains are designed to be immutable such that an object, eg, a block or a
transaction, is persisted once it has been registered. However, blockchain immutability …

Blockchain is extensively applied to many fields as an immutable distributed ledger.
However, the immutability contradicts regulations such as the GDPR ruling “the right to be …

Blockchain is a multiparty protocol to reach agreement on the order of events, and to record
them consistently and immutably without centralized trust. In some cases, however, the …

The Ability To Alter A Blockchain Record Isn't As Outrageous As It May Sound In any
permissioned blockchain network, the integrity of records is only as strong as the …

The immutability of blockchains is critical for cryptocurrencies, but an imperative need arises
for the redaction of on-chain data due to privacy-protecting laws like GPDR. Recently …

Immutability has always been a core attribute of blockchain to ensure a trusted public ledger.
However, in recent years, many malicious actions on blockchain have raised controversy …

Abstract Internet-of-Things (IoT) envisions communications between heterogeneous devices
and utilization of the associated data for smart decision making. Blockchain bridges the gap …

Blockchain has been praised for providing the technical infrastructure that enables a group
of self-interested entities to share data without relying on intermediaries. Technically …

Blockchain is highly evaluated for its vantages of decentralization, anonymity, and
information immutability, where the last one means historical data recorded on a blockchain …