While immutability is an important property of blockchain and can be utilized to build a
credible data publishing platform, the same property can also be abused to disseminate …

Abstract Recently, Internet‐of‐Things (IoT) based applications have shifted from centralized
infrastructures to decentralized ecosystems, owing to user data's security and privacy …

Recently, increasing personal data has been stored in blockchain databases, ensuring data
integrity by consensus. Although transparent and immutable blockchains are mainly …

Driven by various legal obligations and service requirements, the redactable blockchain was
introduced to balance the modifiability and immutability of blockchain technology. However …

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 …

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 …

Currently, decentralized redactable blockchains have been widely applied in IoT systems for
secure and controllable data management. Unfortunately, existing works ignore policy …

The continuous advancements of blockchain applications impose constant improvements on
their technical features. Particularly immutability, a highly secure blockchain attribute …

Attribute-based encryption (ABE) has been widely applied in cloud services for access
control. However, a large number of pairing operations required for decryption affect the …

Blockchain technology was originally designed to ensure data security and trustworthiness
through decentralization and immutability. However, in recent years, the misuse of …