Atomic Action: Will 2018 Be the Year of the Cross-Blockchain Swap?


What if there were no exchanges to hack?

As a new generation of crypto users begin to invest in the technology, developers are growing concerned about its infrastructure. They've seen this happen before – new users enter the space attracted by big gains, then suddenly, a catastrophic failure, usually at the very exchanges designed to hold and custody those funds.

But out of adversity, inspiration is taking hold, with high-profile coders turning their focus to atomic swaps, a concept that claims to allow for the direct, peer-to-peer transfer of cryptocurrencies across different blockchains. In the place of the vulnerable exchanges we use today, the idea behind atomic swaps is that these large repositories of customer money could be rendered obsolete by code.

And seasoned blockchain developers like Alex Bosworth believe this is all too necessary, especially given that users today need to effectively give up custody of their assets if they choose to hold funds on exchanges.

He told CoinDesk:

"Putting users in control of their own private keys has the best aggregate track record for security despite individual cases of loss. Funds under centralized control on exchanges have led to the most massive security failures we've seen."

Andrew Gazdecki, CEO and co-founder of, which recently launched a beta wallet for atomic swapping between crypto tokens, describes the problem in similar terms, arguing that users should be empowered to hold their own private keys (the alphanumeric strings that allow users to unlock, access and spend their funds) without relying on others.

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