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With the recent popularity of Blockchain and other Distributed LedgerTechnologies (DLT), blockchain enabled smart contract applications hasattracted increased research focus. However, the immutability of the blocks,where the smart contracts are stored, causes conflicts with the traditionalSoftware Development Life Cycle (SDLC) models usually followed by softwareengineers. This clearly shows the unsuitability of the application of SDLC indesigning blockchain enabled smart contract based applications. This researcharticle addresses this current problem by first exploring the six traditionalSDLC models, clearly identifying the conflicts in a table with the applicationof smart contracts and advocates that there is an urgent need to develop newstandard model(s) to address the arising issues. The concept of both blockimmutability and contract is introduced. This is further set in a historicalcontext from legacy smart contracts and blockchain enabled smart contractsextending to the difference between "shallow smart contracts" and "deep smartcontracts". To conclude, the traditional SDLC models are unsuitable forblockchain enabled smart contract-based applications.

Blockchain Enabled Smart Contract Based Applications: Deficiencies with the Software Development Life Cycle Models