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Questions about ZCash are off topic. A peer-to-peer cryptocurrency that implements the Zerocash scheme and offers total payment confidentiality. Launched on 2016-10-28.

6 votes

In Zcash, what statements do zkSNARKs prove?

If I decide to send x amount of Zcash to another user, what is the statement that zkSNARKs will hide? … The specific statement (for the Sprout circuit) being proved with the zk-SNARK (and therefore hidden) is given in section 4.9.1 of the Zcash protocol spec. …
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2 votes

How is Zclassic's pszTimeStamp generated, and what does it mean?

BTC #437541 - 00000000000000000397f175a94dd3f530b957182eb2a9f7b79a44a94a5e0450').hexdigest() The reason they generate it in this way is because Zcash generates its pszTimestamp like so: from pyblake2 … import blake2s 'Zcash' + blake2s(b'The Economist 2016-10-29 Known unknown: Another crypto-currency is born. …
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1 vote
Accepted

Zcash - where are treestates stored?

You are correct that the Sprout commitment tree root / anchor is not stored in the block header. It is calculated by each node when a block arrives, and is stored in the block index. The Sapling comm …
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1 vote

Different coin pools in zcash

Zcash is based on a base currency. As far as I know it is bitcoin, right? Zcash is not based on a base currency; it is an independent block chain. … All pools within the Zcash block chain contain ZEC. There are three pools within Zcash: The unshielded pool (containing ZEC stored in transparent addresses). …
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1 vote

Zcash wallet generation

Zcash transparent addresses can be generated in the usual BIP 44 way. There is a Zcash coin_type defined in SLIP 44, which can be used with any standard Bitcoin library. … The resulting transparent addresses just need to be re-encoded with the Zcash transparent address prefix for mainnet. …
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1 vote
Accepted

Can malicious payer deanonymize payee in Zcash?

Removing this potential privacy leak would by definition mean that Alice cannot see some or all details about her own outgoing transactions, which is either a contradiction (in the Zcash model, Alice needs …
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1 vote
Accepted

why should I backup zcash wallet regularly

Once that is backported to Zcash, transparent addresses will similarly be deterministically generated. … Once this is finished, support for deterministic shielded addresses can be implemented in Zcash. …
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4 votes

Zcash t-addr + z-addr transactions

tl;dr You should use rounded values of ZEC when unshielding, and even then you will have less privacy than if you only use z-addrs. We address this exact question in this blog post (images from whi …
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