BlockchainNZ | 2,477 followers on LinkedIn. Blockchain technologies are changing our understanding of transparency, authentication, trust and contracts in the private and public sectors. The Blockchain Association of New Zealand (BANZ) represents this rapidly emerging business sector and those engaged in the wider financial Services, IT and public sector communities. BANZ engages in the education, development, adoption and use of globally accepted, industry-leading knowledge and practices for distributed ledger technology.