Block
A block is typically a file (or portion of a file) that is content addressable by IPFS, e.g. a content ID. It is managed with the Block Api.
A locally cached or pinned block can be found in the repository's blocks
folder. To support case insensitive file
systems the block's file name is the base-32 encoding of the
block's content ID's multihash value.
Most blocks are encoded in the standard format, however other formats, such as chunked and raw are also availble.