Question: As a BCHA holder, what do I need to do for this rebranding?
Answer: BCHA holders don't need to do anything. Even if you do nothing, the rebrand will take place automatically. When you upgrade to a new wallet after the rebrand, the display will change automatically to show your holdings as eCash instead of BCHA. If you don't upgrade your wallets, everything will continue to work as it did before. It is recommended to upgrade, as we expect most wallets and exchanges to use eCash/XEC, so it will be less confusing if you upgrade to a wallet that displays as eCash/XEC.
Question: What is the eCash supply?
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+ Answer: The supply of eCash is limited to 21 Trillion XEC. This means that measured in satoshis, the eCash supply is the same as BTC supply: 2.1 quadrillion satoshi. The different headline number simply reflects the 1,000,000:1 redenomination of the eCash base unit. The equivalence of the BTC and XEC supply can seen visually by writing their supply limits like this:
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+ XEC: 21,000,000,000,000.00
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+ BTC: 21,000,000.000,000,00
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+ eCash also follows that same halving schedule as Bitcoin, with reward halvings occurring every 210,000 blocks.