however if abused they can also be used to facilitate iuu fishing or if not taken into account in fisheries management can increase fishing power in general and result in overexploitation of resources this is a risk with blockchains for example as they make it possible to gather more information and to use it more efficiently and effectively thus increasing predictive capacity some new technologies have also created barriers for fisheries that lack the capacity or financial resources to adopt them similarly it is essential to address barriers to fishers and fish farmers access to new technologies and to build their capacity to take advantage of disruptive technologies