ABC4Trust	Attribute-based Credentials for Trust
AC	Access Control
ACM	Access Control Mechanism
ACP	Access Control Policy
ACS	Access Control System
API	Application Programming Interface
ARIES	ReliAble euRopean Identity EcoSystem
B2C	Business-to-Consumer
CM	Consent Manager
CoAP	Constrained Application Protocol
DLT	Distributed Ledger Technology
DPV	Data Privacy Vocabulary
EU	European Union
GDPR	General Data Protection Regulation
GENERAL_D	Gdpr-based ENforcEment of peRsonAL Data
GIS	Geographic Information System
GPS	Global Positioning System
ICT	Information and Communication Technology
IdM	Identity Management
IdP	Identity Provider
IoT	Internet of Things
IP	Internet Protocol
JSON	JavaScript Object Notation
MAC	Media Access Control
MQTT	Message Queuing Telemetry Transport
NGSI	Next Generation Service Interfaces
OLYMPUS	ObLivious identitY Management for Private and User-friendly Services
PA	Pubilc Administration
p-ABC	Privacy-preserving Attribute-Based Credential
PAP	Policy Administration Point
PDP	Policy Decision Point
PEP	Policy Enforcement Point
SC	Smart City
SIS	Smart ICT System
SME	Small and Medium-sized Enterprise
TaCIoT	Trust-aware access control system for IoT
vIdP	Virtual Identity Provider
XACML	eXtensible Access Control Markup Language