Ethan Cecchetti

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Smart contracts are programs that execute autonomously on blockchains. Their key envisioned uses (e.g. financial instruments) require them to consume data from outside the blockchain (e.g. stock quotes). Trustworthy <i>data feeds</i> that support a broad range of data requests will thus be critical to smart contract ecosystems. We present an authenticated(More)
Traditionally, the genetic history of species has been modeled using phylo-genetic trees. Recently, scientists have begun using phyolgenetic networks to model more complex occurrences, such as hybridization, which cannot be displayed by trees. Phylo-genetic networks are represented by network graphs which are trivalent directed graphs without directed(More)
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