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Recently, Jiang et al. proposed a quantum cryptography protocol [Mod. Phys. Lett. B 32 (2018) 1850125] which can implement the equal exchange of secret information between the two parties with the help of semi-trusted third party. Here, it will be shown that the protocol is insecure and has the drawback of information leakage.

This paper investigates the readiness level of housing developers in Malaysia to adopt a new housing system known as the Build-Then-Sell (BTS) system. We examine whether a firm's characteristics influence its readiness to adopt. We constructed a BTS readiness index, which comprises innovativeness, optimism, discomfort, and insecurity dimensions. We carried out a face-to-face survey with 246 developers in Malaysia's major cities and received a 48.8% response. The data were analyzed using descriptive analysis, factor analysis and correlation analysis. We found that housing developers are partially ready to implement the BTS system, with a slightly high level of optimism and a high level of insecurity. However, there was a very weak relationship between BTS readiness (e.g. optimism and insecurity) and a firm's characteristics (e.g. type of ownership, firm size, age, and land bank). The paper ends by providing some explanations for the results.

South Asia is a geo-political system which has its unique security characters. The emerging complex nature of a system could lead either to the security or insecurity of that system. India and Pakistan are the emerging nuclear powers of South Asia. The nuclear doctrines and behavior of India and Pakistan promote the advancement of their nuclear programs in both strategic and civil domains. Both countries desire stability, the balance of power and security through the possession of nuclear options. However, the author argues that South Asia’s existing nuclear environment and its emerging complexity have produced insecurity and instability in the region at large. This paper is an attempt to identify the complexity of actors and behaviors and their emerging threats to the security of the region. There is also a lack of literature to portray the nuclear risk that the non-nuclear states face in South Asia. This paper tries to fill that gap as well.

Adverse climate change is more than an environmental concern. The are several consequential outcomes of climate change such as loss of oil wealth, depletion of scarce resources, decline in sources of livelihood, property loss, water shortages, and land scarcity. Secondary effects could include increased mortality, deteriorating health, hunger, poverty, inequality, and financial hardship. Studies over the years have shown that climate change could also precipitate conflicts and lead to displacements. For many women in conflict situations, it is difficult to access medical care, especially reproductive healthcare. Amid efforts to contain insecurity and its devastating effect, the government often loses sight of the vulnerabilities of women and girls, whose reproductive health challenges have been exacerbated by the effects of climate change. Men and women may encounter health challenges in climate change-induced conflict situations however, women may be affected more differently than men. Specific healthcare services, treatments, and commodities for women’s general and reproductive/sexual health are often ignored despite the need for healthcare, menstrual hygiene products, health education, and general health supplies in times of conflict. In addition to the associated conflict-related risk, women may face a heightened risk of rape and other sexual-related violence. The risk to women and girls may further increase if resources are diverted from sexual and reproductive health care to respond to the insecurity and crises or where the supply chain is affected by climate change-induced conflicts. This study examines the challenges that women face in climate change-induced conflict and post-conflict situations, particularly as it affects their reproductive health rights. It further argues that the realization that women’s reproductive and sexual health in a climate change-induced conflict setting is a human right that warrants concerted attention. Ultimately, it advocates for gender-sensitive responses to the reproductive and sexual health of women and girls as a matter of fundamental human right.