Since the inception of Bitcoin, cryptocurrencies and the underlying blockchain technology
have attracted an increasing interest from both academia and industry. Among various core …

This paper presents research challenges on security and privacy issues in the field of green
IoT-based agriculture. We start by describing a four-tier green IoT-based agriculture …

Blockchain technologies are gaining massive momentum in the last few years. Blockchains
are distributed ledgers that enable parties who do not fully trust each other to maintain a set …

Algorand is a new cryptocurrency that confirms transactions with latency on the order of a
minute while scaling to many users. Algorand ensures that users never have divergent …

HoneyBadgerBFT, proposed by Miller et al.[34] as the first practical asynchronous atomic
broadcast protocol, demonstrated impressive performance. The core of HoneyBadgerBFT …

A blockchain is a distributed ledger for recording transactions, maintained by many nodes
without central authority through a distributed cryptographic protocol. All nodes validate the …

Mobile-edge computing (MEC) is a promising paradigm to improve the quality of
computation experience of mobile devices because it allows mobile devices to offload …

Blockchain is a distributed and decentralized ledger for recording transactions. It is
maintained and shared among the participating nodes by utilizing cryptographic primitives …

Cryptocurrencies, such as Bitcoin and 250 similar alt-coins, embody at their core a
blockchain protocol---a mechanism for a distributed network of computational nodes to …

SBFT is a state of the art Byzantine fault tolerant state machine replication system that
addresses the challenges of scalability, decentralization and global geo-replication. SBFT is …