Total amount of supply is 18,400,000 XWP
Cuckaroo Cycle PoW algorithm with a 15 second block time
Block timing is regulated using Monero DAA
CryptoNote  Cuckaroo29s 

CryptoNote protocol based privacy standards for transactions.


Cuckaroo29s hashing improves verification speed substantially making block propagation much faster.

Decreases cryptographic proof sizes.

Faster confirmations and higher transaction throughput.

Improved network performance and stability.

Establishes a working economy discouraging the mining of empty blocks.

Encourages early adoption and early network security.

Born without governance fees and adheres to a feeless governance model. Swap uses miner fees to incentivize network security.

Equal, fair, and open community release.

Malkoha adds accelerated daemon sync speed, blockchain pruning, and openalias. Pruning shrinks local blockchain database by 50% and openalias enables linking domains to wallet addresses, like

Swap is not associated with exchanges and will not pay fees to be listed. Exchanges have determined Swap deserving of listing.

Support the network economy by renting hashing power and receive Swap.

Whether you're new and want to try out mining or you're a veteran looking for more hash, Mining Rig Rentals is the place to go.

Headquarters, United States
Genesis April 3, 2014
Listed Swap February 20, 2019

The main hub for all CryptoNote currencies and a popular Swap exchange. Daily volume for Swap at TradeOgre has seen as high as $196,640 on July ‎19, ‎2019 and is consistently above $20,000.

A secure and straightforward choice for trading Swap.

Headquarters, Bermuda
Genesis November 1, 2017
Listed Swap March 14, 2019
0.2% Trading Fee
Dynamic Withdrawal Fee

The first purpose of Graviex was to enable GIO trading for the crypto-community. Since then the project has grown to host a myriad of crypto coins including Swap.

The goal at Graviex is to provide a comfortable trading process. That's why commissions on withdrawals are so low and placing funds into a trading account is so quick.

Headquarters, Malta
Genesis October 30, 2018
Listed Swap April 11, 2019
0.2% Trading Fee
0.1% Trading Fee for GIO
Dynamic Withdrawal Fee

An innovative trading platform, Citex introduces "trans-fee" mining and a hybrid governance model. This builds the token economy ecosystem and creates value for the users.

Citex is committed to becoming the choice of next generation investors by making the trading platform interesting, user-friendly, and integrates digital assets with your daily lifestyle.

Headquarters, Korea & China
Genesis October 1, 2018
Listed Swap March 22, 2019
0.1% Trading Fee
Dynamic Withdrawal Fee

QBTC is an online exchange that includes many digital assets. Open to users all over the world, QBTC provides different digital asset pairings such as BTC, ETH, LTC and so on.

QBTC is a reliable and safe digital asset exchange providing fast and fair BTC exchange servives for their users.

Headquarters, Cayman Islands
Genesis December, 2017
Listed Swap July 24, 2019
0.2% Trading Fee
Dynamic Withdrawal Fee

ZT is a global digital asset trading platfrom, which mainly provides Bitcoin, Litecoin, Ethereum and other digital assets and derivatitve trading services for thier global users.

Adhering to the service concept of "customer first", they are committed to providing global users with safe, professional, honest, and high-quality services.

Headquarters, Cayman Islands
Genesis August, 2018
Listed Swap July 30, 2019
0.2% Trading Fee
Dynamic Withdrawal Fee

BKEX is a global blockchain financial service platform. A secure crypto coin trading platform with pairings for BTC, ETH, USDT, and more.

Headquarters, British Virgin Islands
Genesis May 9, 2018
Listed Swap August 2, 2019
0.2% Trading Fee
Dynamic Withdrawal Fee was initially started to focus on trading XMR pairs, and we aim to provide an XMR pair for all listings. aspires to be the main trading destination for XWP.

Swap was selected to be listed because it is privacy focused, has an active community, and is a promising technology - fast sync time and fast block times.

Headquarters, Dominican Republic
Genesis August 6, 2019
Listed Swap October 6, 2019
Limited No KYC
0.1% Trading Fee
0% Withdrawal Fee

Mine Swap with 4GB VRAM GPUs using GMiner on Windows 7 or Linux.

A powerful Swap miner for Nvidia and the only Swap miner to support 4GB VRAM. Mining with 4GB VRAM is only supported on Windows 7 and Linux. For Windows 10 6GB of VRAM is required.

Integrated with a built-in remote web monitor and watchdog. The watchdog monitors mining processes and restarts the application in the event of failure or loss of connection to pools.

Minimum 4GB VRAM
2% Fee

Latest Releases  BitcoinTalk 

A powerful Swap miner for Nvidia GPUs. Windows 10 requires a minimum 6GB VRAM. Use Windows 7 or Linux for 5GB VRAM support. Includes remote web monitoring.

Minimum 5GB VRAM
2% Fee

Latest Releases  BitcoinTalk 

The most powerful Swap miner for AMD GPUs. Supports remote web monitoring. Windows requires .NET Core 2.2 Build apps.

Minimum 6GB VRAM
2% Fee

Releases  Official Homepage  .NET Core 

Created by Swap developer Sebastian Green. Forked from Grin Gold Miner, it is the first Swap miner and serves as an example for other miner developers. Windows requires .NET Core 2.2 Build apps.

Minimum 6GB VRAM
0% Fee

Latest Releases  Wiki  .NET Core 

Mine Swap using the Micropool for low latency and no pool fees. Mining solo is especially achievable with a quick 15 second block time and Cuckaroo, the simplest PoW algorithm.

View Pool 

Version 1.4.0

Latest Release 

How to Guide 

Community Pools

Project milestones and future goals.

November 16th 2018

FreeHaven is Born

Simply speaking, Haven added fees, so the community made a free coin. Thus the birth of FreeHaven (XFH).

Faster 15-second blocktime, no premine, no fees, and no BS.

December 11th 2018

Re-branding to Swap and BulletProof Transactions

Re-branding to Swap (XWP) wasn't only a name change, but it also removed any coding ties to Haven.

Swap is rebased from Monero adding BulletProof transactions.

December 16th 2018

Hardware Wallet Support

Store XWP physically with a Ledger Blue, Nano S, or Nano X.

February 15th 2019

Website Comes Online

First Swap splash page is born with links to pools, mining software, and wallet downloads.

Swap marketing starts assembling. Social media sites are established and community outreach begins to form.

February 20th 2019

Fork to Cuckaroo29s Cycle PoW

Successfully forked at block 555.555. Swap is the first CryptoNote coin to integrate Cuckaroo for fair mining.

This change brings the Swap blockchain superior security and stability.

March 14th 2019

Swap Listed on TradeOgre Exchange

TradeOgre is a long-time favorite in the CryptoNote space, making it a new friendly place to trade Swap.

March 22nd 2019

Swap Listed on Citex Exchange

Citex is headquarterd out of Korea and China. This brings access to trading for Swap users in a new region.

Swap and Citex have a strong partnership and share a vision of usability and security.

April 11th 2019

Swap Listed on Graviex Exchange

Graviex is a beautiful exchange offering pairings in both BTC and ETH.

April 27th 2019

MyMonero Apps Now Easily Ported to Swap

With the addition of 4 new repos Swap is now compatible with MyMonero Apps.

The new repos are lightwallet-server, myswap-core-js, myswap-core-cpp, and swap-core-custom.

May 2nd 2019

Light Web Wallet Online

Send and receive Swap with ease using your favorite web browser.

July 24th 2019

Swap Listed on QBTC Exchange

QBTC exchange offers Swap pairings with CNY Tether. QBTC boast a safe, fast, and fair trading platform.

August 2nd 2019

Swap Listed on BKEX Exchange

BKEX uses USD Tether pairings for Swap trading. BKEX is ranked among the top 40 exchanges on Coin Market Cap.

Future Goal

Mobile Wallet Support

The capability to send and receive Swap on your phone.

Future Goal

Atomic Swaps to Bitcoin with Lightning Network

The newest technology heading into the next year.

With atomic swaps comes the ability to directly send Swap between Bitcoin, Litecoin and any crypto coins on the Lightning Network.

Future Goal

Transitioning to ASIC Friendly Cuckoo Algorithm

This will happen in the distant future when the timing is right.

The idea is to wait for ASIC mining technology to be fairly distributed, meaning multiple vendors.

The future of Swap is about remaining a robust blockchain. Secure against outside attacks and flexible, adapting to advancements in technology.

A community developed crypto coin with contributors from around the world.
Want to contribute? Join Discord! 


Sebastian Green


Founder, Developer

 Seb has insane amounts of experience, but he's kinda iffy when revealing.
 Knowing him, he'll probably just point you to his Github. 

Long Huynh


Founder, Developer

 Started mining in late 2017, and quickly became interested in CryptoNote technology.
 Using my past experience as Quality Assurance, I do code review and testing for Swap. This way no bugs go slipping by unnoticed. 

Nick Cadden


Founder, Marketing

 Accountant turned IT Engineer. Started crypto mining Fall 2017, just in time for the tail end of the bull run.
 Now, with the best team in crypto, we are proving that successful projects can be transparent, fair and free! 

Greg Almeida


Founder, Marketing

 Late to the crypto game, I started mining at the end of 2017.
 I got burned learning the ropes but I'm a quick study.
 Realized most crypto was a scam and want to help make a difference. 

Tiago Santos


Marketing, Design

 Pursuing a Degree in Marketing and Advertising. Passionate about repairing and building computers, which got me into crypto and mining.
 I contribute design and photography to Swap. 

Giancarlo Rinna


Marketing, Developer

 I like building computers and tweaking GPUs.
 Mining CryptoNote coins and web development are what brought me to Swap.
 This has been a fun project to be a part of. 

Chris Clausen



 Advertising designer 15 years with a hunger for the new. I’ve learned to invest, trade and mine, not just coins and tokens, also communities. I believe in the mystical magnetism of this space. Unquestionably, I want to be a part. 

Pablo Cáceres



 A simple guy who supports honest projects.
 Fan of 360º photography and collector of cats. 

What is the current main objective for Swap?

The main objective is to remain an ethical, useful, and fair crypto coin. For Swap, this includes robust privacy, ecosystem fairness, full transparency, secure blockchain, and ease of use.

With Swap you can expect no compromises with governance fees, no premine, and no BS.

Is MimbleWimble Cuckoo?

No, MimbleWimble is the protocol (like CryptoNote). Cuckoo is the original algorithm Cuckatoo and Cuckaroo are based on. Cuckatoo is the ASIC friendly algorithm and Cuckaroo is the GPU friendly algorithm.

Swap uses the CryptoNote protocol for transactions and a Cuckaroo variant for mining.

Why is Swap going to fork and when?

CryptoNight is slow on GPUs because FPGAs can use embedded RAM. Further variants of CryptoNight will buy time but do not solve anything long-term.

Cuckaroo Cycle PoW brings superior protection and stability to the Swap network. The fork was at 2/20 10:30 AM UTC.

What makes Swap different from other CryptoNote coins?

We use Moneros way of handling transactions (BulletProof) and a Grin-like way of mining (Cuckaroo Cycle PoW).

Swap will stay close to Monero technology-wise while using a different PoW algorithm.

How can someone without coding skills help the project?

Learn the technology. It's easier to explain things when you understand them better. Then you can form opinions about the technology's potential, or lack thereof.

Spread the word about Swap and bring all kinds of people in, regardless of coding skills. Even reach out to haters, because they help to make the community more robust.

Why do addresses start with "fh"?

The two letters are from the initials of FreeHaven. After re-branding to Swap, the address was kept to simplify compatibility with legacy addresses and to remember where the project originated from.

CryptoNote is a robust privacy protocol for blockchain.

Transaction technology

CryptoNote uses ring signatures, a sophisticated scheme requiring several different public keys to verify a transaction.

The transaction is signed by multiple users anonymously. Only signing users have knowledge of sender and receiver.

Ring signatures restrict double-spending attempts by linking transactions with the same private key. The protocol uses the key image, derived from a private key through an unidirectional function.

Users store all images and verify them against new transactions. If there is a double key image, the transaction is rejected as a double-spending attempt. Meanwhile the identity of the sender remains unknown, it's not possible to get a private key from an image.

The protocol generates multiple unique one-time addresses for each payment from the unique public key. The sender uses random data and the receiver's public address to generate a one-time key.

The redeemable funds require the receivers private key. They are the only one who can receive the funds sent to the one-time address. A third party can't see the connection between the one-time key and the public address of the receiver.

Supply and emission

Genesis on November 16, 2018, at 09:06:03 (UTC).

Total supply is 18,400,000 XWP.

Emission Chart

Tail emission

When the block reward is below tail emission block reward, the tail emission phase will begin. Block reward will be constant at 0.075 Swap.

The kickoff will be year 8 from genesis block. This is after roughly 16,000,000 blocks found, or 18,085,000 into coin emission. During tail emission there will be 157,680 coins mined each year.

Swap is the first CryptoNote coin securing their network by implementing mining with the Cuckaroo Cycle PoW.
Cuckoo Github 

Simplest PoW algorithm

"With a 42-line complete specification, Cuckatoo Cycle is less than half the size of either SHA256 or Blake2b. While trivially verifiable, finding a 42-cycle, on the other hand, is far from trivial, requiring considerable resources."
  - John Tromp

The most efficient way to find cycles

Step one is removing edges that are not part of a cycle (99.9%). Step two is a backtracking graph traversal to find all cycles.

Swap uses 32 edge trimming cycles.

Lean and mean mining

Miners use 1 bit per edge and 1 bit per node. Finding node bits in random sequence causes a bottleneck which makes mining memory latency bound.

The majority of this form of mining is done in a very simple way.

Decreased hash confirmation time

Less server overhead making processing more efficient.

CryptoNote and Cuckaroo hybrid monster

Swap is keeping CryptoNote for transactions with anonymity features and user friendliness. Meanwhile, for mining, adopting Cuckaroo with superior network protection and stability.

CryptoNight mining is vulnerable to FPGA and ASIC network attacking.


Cuckaroo29s vs Cuckaroo29

Cuckaroo29s uses 32-cycles while Cuckaroo29 uses 42-cycles. Both cycling ratios produce similar performances.

For more details read the Cuckoo Whitepaper on Github.

Graph cycle performance

Find an improvement in mining and receive a bounty reward.

CPU speedup bounty $10,000, linear time-memory trade-off bounty $10,000, GPU speedup bounty $5,000, and Siphash bounty $5,000.