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        Blockchain might not                                                       Some have hailed the emergence of
                                                                                   blockchain as a way to secure ecom-
        solve chargeback and                                                       merce transactions in a time when
                                                                                   massive breaches  have  exposed
                                                                                   countless individuals to cyber crimi-
        ecommerce fraud                                                            nals. However, before we put all our
                                                                                   eggs in the blockchain basket, we
                                                                                   need  to examine  whether the  tech-
                                                                                   nology is ready to protect merchants
                                                                                   from chargebacks and fraud.
                                                                                   Data breaches have caused great
                                                                                   stress for ecommerce and card-not-
                                                                                   present merchants  because  when
                                                                                   credit card data gets out into the open,
                                                                                   the resulting unauthorized use drives
        By Suresh Dakshina                                                         cardholders to file chargebacks, add-
        Chargeback Gurus                                                           ing cost and time on top of the dam-
                                                                                   age done by the initial breach.
              s blockchain technology the way to fight chargebacks and chargeback
              fraud for ecommerce retailers? This question is becoming more impor-  Blockchain, which is a decentralized,
              tant as we look for ways to secure ecommerce transactions, which     distributed and public digital ledger
        I continue to grow exponentially each year. With more transactions, the    used to record transactions across
        likelihood of additional chargebacks, including fraudulent claims, increases.   many computers so that any involved
        But is blockchain the answer?                                              record cannot be altered retroactive-
                                                                                   ly, can be an asset in preventing iden-
                                                                                   tity theft and cardholder information
                                                                                   from being stolen, because it can be
                                                                                   difficult to extract that data from a
                                                                                   blockchain system.

                                                                                   True versus friendly fraud
                                                                                   Blockchain may play a role in pre-
                                                                                   venting  true  fraud  because  most
                                                                                   true  fraud comes from  stolen credit
                                                                                   cards or identity theft. Again, since
                                                                                   blockchain can provide security for
                                                                                   cardholder data, it is possible charge-
                                                                                   backs resulting from true fraud and
                                                                                   identity theft can be slowed. Also, a
                                                                                   blockchain payment system creates
                                                                                   a wall that prevents customer data
                                                                                   from being stolen, thus reducing op-
                                                                                   portunities for true fraud, which is a
                                                                                   welcome advancement for merchants.

                                                                                   Going forward, we will see numer-
                                                                                   ous exciting developments in block-
                                                                                   chain technology, but as of now, we
                                                                                   have barely scratched the surface of
                                                                                   this technology. We still don't know
                                                                                   how effectively blockchain will be in
                                                                                   fighting true fraud. Fraudsters tend
                                                                                   to stay ahead of the curve and, as we
                                                                                   all know, when a new system comes
                                                                                   along, it tends to come under attack
                                                                                   by criminals searching for vulner-
                                                                                   abilities.


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