Most Blockchain transactions are readable. We may be able to provide assistance with recovering cryptocurrency wallet contents. Read here about a recent investigation led by US authorities: https://www.newsbtc.com/2018/06/16/authorities-track-bitcoin-transactions-dark-web-drug-dealer-arrested/
We may be able to help you tracing assets which may have been converted from regular currency into cryptocurrency.
If you dont quite understand cryptocurrencies yet, we can provide education for small groups on how leading blockchain projects such as Bitcoin and Ethereum work. In the meantime you may enjoy this game which we put together to playfully introduce some of the terminology and concepts in the blockchain world: www.polycryptos.com