  While much research focuses on different methods to secure blockchain,
information on the chain needs to be accessed by end-users to be useful. This
position paper surveys different ways that end-users may access blockchains. We
observe that between the two extremes of running a full node and fully
utilizing a trusted third-party service, many solutions regarding light nodes
are emerging. We analyze these solutions based on three basic properties of web
communication: integrity, availability and privacy. We conclude that currently,
the best way to access a blockchain while maintaining these three properties is
still to run a full node. We consider it essential that future blockchain
accessibility services should be built while considering these three
expectations.
