Add the founders of startup Colu and its new venture capital investors to the growing number of voices that see bitcoin’s usefulness not just in the form of currency but in the decentralized network it runs on.

The Tel Aviv startup raised $2.5 million in a seed round led by Israeli venture firm Aleph and Spark Capital. Additional investors are BoxGroup and Bitcoin Opportunity Corp. Spark previously invested in eToro, a startup co-founded by David Ring, who is now co-founder of Colu.

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