1This document describes breaking changes between Qtum releases for both RPC APIs and for blockchain consensus.
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3# Sparknet (Testnet v1)
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5Initial release
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7# TBD (Testnet v2)
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9## Consensus Parameters/Rules
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11## EVM Behavior
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13* Made block.coinbase use block.vtx[1].vout[1] for the coinbase address of PoS blocks
14* Added check to coinbase to ensure that it is 0 if not a standard pubkeyhash address
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16## RPC APIs
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