No.013
Zcash ZEC
Bitcoin's stealth evolution, who erases its own footprints as it goes
๐ญ A ninja wrapped in a shadow cloak, it moves through the world erasing its own payment trail with zero-knowledge magic
๐ฌ โYou want a receipt? Fine. It says the payment cleared. It does not say who, where, or how much. That part stays with me. *whoosh*.โ
- A privacy coin. It can hide who sent a payment, who got it, and how much it was.
- Launched October 28, 2016, it was the first real coin to ship zero-knowledge proofs (zk-SNARKs): the details stay hidden, yet anyone can check the payment is genuine.
- Its code came straight out of Bitcoin, so the supply cap is the same 21 million.
๐ The Story
On October 28, 2016, a new coin went live, and right away people started asking what it was hiding. That was the whole point. Bitcoin had a problem the ninja kept poking at: every payment gets chalked onto a public blackboard for the entire town to read. Who paid whom, and how much. Useful, sure. Also a little naked.
The fix had been brewing in a lab for years. Around 2013, a Johns Hopkins professor named Matthew Green and his students started chasing an old idea: could you prove a secret is true without saying the secret? Researchers from MIT, the Technion, and Tel Aviv pitched in, and the result was a protocol called Zerocash. Zooko Wilcox and the Electric Coin Company took that paper and turned it into something you could actually spend. They named it Zcash.
Here's the part that made skeptics nervous. To switch the privacy on, the founders had to run a secret "ceremony" to generate the network's master parameters, then destroy the leftover scraps. If anyone had quietly kept a copy, they could have forged coins forever. So the ceremony was scattered across strangers who would never meet. Years later, in 2022, one of them was revealed to be Edward Snowden, working under a code name. The ninja has been wearing that cloak ever since, sweeping away its own footprints as it walks. Hidden, yes. But it never claims a payment that isn't real.
๐ Stats
๐งฉ How it works
Can you prove โI know the password!โ without saying the password? Zcash's zero-knowledge proof (zk-SNARKs) is exactly that kind of magic. It keeps the payment details, sender, receiver, amount, hidden in the shadows, and shows everyone just a single certificate that says โthis payment is genuine, not a fake.โ But this magic only works with a shielded address; a transparent address shows everything in the open, just like Bitcoin.
It uses the same proof-of-work (PoW) consensus as Bitcoin, and a new block is made roughly every 75 seconds. The 2022 NU5 upgrade brought in a more efficient shielded pool called โOrchard.โ
๐ Light & Shadow
- When you use a shielded address, the privacy is real: the sender, the receiver, and the amount all stay hidden
- It got there first. Zcash was the first project to ship zk-SNARKs in production, which is why cryptographers still take it seriously
- No endless printing here. The supply stops at 21 million coins, the same hard cap Bitcoin uses
- The cloak is optional. Privacy only kicks in with a shielded address, and plenty of people just use the transparent kind, so truly private use stays a minority
- Regulators do not love a coin they cannot read. Some countries and exchanges have blocked or delisted it outright
- The cutting-edge tech bites back sometimes: a 2022 "sandblasting" spam wave clogged wallets, and on June 3, 2026 the network rushed out an emergency NU6.2 hard fork after a double-spend bug surfaced
๐งฌ Evolution line
Zcash is a cousin forked from Bitcoin's code. It took Bitcoin Core's code and added zk-SNARKs privacy on top. Its academic ancestors are the โZerocoin โ Zerocashโ research projects.
๐งญ Meet other friends
โ FAQ
- What is Zcash (ZEC)?
- A privacy cryptocurrency that can hide the sender, the receiver, and the amount of a payment. It was forked from Bitcoin's code, and it was the first to put zk-SNARKs, a kind of โzero-knowledge proofโ, into real-world use. Its mainnet launched on October 28, 2016.
- What is a zero-knowledge proof?
- A technology that proves only the fact that โthis payment is realโ without showing what's inside it. It's like proving โI know the passwordโ without ever saying the password. Zcash uses it to hide the amount and addresses while still proving the payment isn't fake.
- Is every Zcash payment private?
- No. There are two kinds of address. A โtransparentโ address is public like Bitcoin, anyone can see the payment, while a โshieldedโ address keeps the details hidden. The privacy feature only works with a shielded address.
- Where can I buy it?
- On most major exchanges like Coinbase, Kraken, or Binance. But because it's a privacy coin, some countries and exchanges restrict or delist it. Prices swing a lot, so only try a tiny amount for fun. (This is general information, not advice to use any particular exchange or to invest.)
โ ๏ธ Not investment advice. All figures are for information only (MOCK ยท 2026-06-04).