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> Navigation
 * Features +
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Dominant Strategies © 2023

start building code


/ launching_quai_network

/ sequence_initiated

/ launching_quai_network

/ sequence_initiated

/ launching_quai_network

/ sequence_initiated

/ 56% complete


struct group_info init_groups = { .usage = ATOMIC_INIT(2) };
struct group_info *groups_alloc(int gidsetsize){
struct group_info *group_info;
int nblocks;
int i;


nblocks = (gidsetsize + NGROUPS_PER_BLOCK - 1) / NGROUPS_PER_BLOCK;
/* Make sure we always allocate at least one indirect block pointer */
nblocks = nblocks ? : 1;
group_info = kmalloc(sizeof(*group_info) + nblocks*sizeof(gid_t *), GFP_USER);
if (!group_info)
return NULL;
group_info->ngroups = gidsetsize;
group_info->nblocks = nblocks;
atomic_set(&group_info->usage, 1);


if (gidsetsize <= NGROUPS_SMALL)
group_info->blocks[0] = group_info->small_block;
else {
for (i = 0; i < nblocks; i++) {
gid_t *b;
b = (void *)__get_free_page(GFP_USER);
if (!b)
goto out_undo_partial_alloc;
group_info->blocks[i] = b;
}
}
return group_info;

EXPORT_SYMBOL(groups_alloc);


void groups_free(struct group_info *group_info)
{
if (group_info->blocks[0] != group_info->small_block) {
int i;
for (i = 0; i < group_info->nblocks; i++)
free_page((unsigned long)group_info->blocks[i]);
}
kfree(group_info);
}


EXPORT_SYMB|

/ launching_quai_network

/ sequence_initiated

/ launching_quai_network

/ sequence_initiated

/ launching_quai_network

/ sequence_initiated

/ 56% complete


struct group_info init_groups = { .usage = ATOMIC_INIT(2) };
struct group_info *groups_alloc(int gidsetsize){
struct group_info *group_info;
int nblocks;
int i;


nblocks = (gidsetsize + NGROUPS_PER_BLOCK - 1) / NGROUPS_PER_BLOCK;
/* Make sure we always allocate at least one indirect block pointer */
nblocks = nblocks ? : 1;
group_info = kmalloc(sizeof(*group_info) + nblocks*sizeof(gid_t *), GFP_USER);
if (!group_info)
return NULL;
group_info->ngroups = gidsetsize;
group_info->nblocks = nblocks;
atomic_set(&group_info->usage, 1);


if (gidsetsize <= NGROUPS_SMALL)
group_info->blocks[0] = group_info->small_block;
else {
for (i = 0; i < nblocks; i++) {
gid_t *b;
b = (void *)__get_free_page(GFP_USER);
if (!b)
goto out_undo_partial_alloc;
group_info->blocks[i] = b;
}
}
return group_info;

EXPORT_SYMBOL(groups_alloc);


void groups_free(struct group_info *group_info)
{
if (group_info->blocks[0] != group_info->small_block) {
int i;
for (i = 0; i < group_info->nblocks; i++)
free_page((unsigned long)group_info->blocks[i]);
}
kfree(group_info);
}


EXPORT_SYMB|


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/ launching_quai_network

/ sequence_initiated

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REBUILDING CURRENCY
REBUILDING CURRENCY
REBUILDING CURRENCY
REBUILDING CURRENCY
REBUILDING CURRENCY
REBUILDING CURRENCY
REBUILDING CURRENCY
REBUILDING CURRENCY
REBUILDING CURRENCY

a new currency

a new financial system

a new world
/ launching_quai_network / sequence_initiated / scroll_to_commence_build
> Quai Network is the only decentralized blockchain that scales to all global
commerce.


SCALING
WITHOUT
COMPROMISE

> Summary
Breaking the Trilemma. Introducing the Tetralemma.



Quai Network is a dynamic set of blockchains that is
infinitely scalable with increasing demand. Traditional
blockchains must compromise between security,
decentralization, and throughput. This problem is otherwise
known as the blockchain trilemma. Quai Network transcends
this problem through its multi-threaded approach which
enables scalability without compromise.



> The problem:
0
0 1
 / 
0
0 1 2 3
PROOF
OF
WORK
EVOLVED

> Summary
Merged mining: layer 2 speed. layer 1 security.



Merged mining allows miners to secure multiple blockchains
simultaneously without using any additional energy. Quai
utilizes this mechanism to secure an entirely new network of
blockchains offering Layer 2 speed with Layer 1 security.
Quai Network uses 10,000 times less energy per transaction
than Bitcoin at full load with the ability to become
greenhouse-gas negative.



> The features:
0
0 2
 / 
0
0 1 2 3
MANY
CHAINS
ONE
NETWORK

> Summary
Trustless cross-chain transactions on-demand.



All Quai blockchains are braided together into a single
interoperable network. Transactions between Quai
blockchains are handled trustlessly by the protocol, so no
bridging is ever required. All Quai Network chains are
EVM-compatible, allowing for the seamless migration and
deployment of multichain smart contracts and applications.



> The features:
0
0 3
 / 
0
0 1 2 3

start building code


WHAT CAN YOU BUILD?

 * Payment

 * Gaming

 * NFTs

 * Social

 * Payment

 * Gaming

 * NFTs

 * Social

 * DeFi

 * Metaverse

 * Identity

 * DAOs

 * DeFi

 * Metaverse

 * Identity

 * DAOS


DEVELOPER RESOURCES


DOCS

Visit the documentation to start building on Quai.

View Docs


CODE

View all of Quai's open-source code and propose improvements.

View Code


NETWORK

Use Quai's tooling suite to explore the network.

 * Block Explorer +
 * Network status page +
 * Faucet +


ARTICLES AND NEWS

02/01/2023
QUAI
NETWORK'S
JANUARY
DEVELOPER
ROUNDUP

Read Article +
11/30/2022
QUAI
NETWORK'S
NOVEMBER
DEVELOPER
UPDATE

Read Article +
11/21/2022
WHAT
IS
THE
ETHEREUM
VIRTUAL
MACHINE
(EVM)?

Read Article +
View All Articles +


OUR PARTNERS


 * POLYCHAIN CAPITAL
   
   Founded by Olaf Carlson-Wee in 2016, Polychain Capital is a leading VC in the
   crypto space.


 * ALUMNI VENTURES
   
   Founded in 2014, Alumni Ventures is now one of the most active VCs in the
   world.


 * ZERO1 CAPITAL
   
   Zero1 Capital is a VC focused on digital assets and decentralized finance.

> Navigation
 * Features +
 * What Can You Build? +
 * Developer Resources +
 * Media +
 * Partners +

> Developers
 * Start building +
 * Code +

> Network
 * Block Explorer +
 * Network status page +
 * Faucet +

> Learn
 * Careers +
 * Disclaimers +
 * Blog +
 * Privacy Policy +
 * T&C's +

Connect With Us:
 * 
 * 
 * 
 * 
 * 
 * 

Dominant Strategies

© 2023






SECURITY

All Quai Network blockchains are braided together, keeping the entire network
censorship resistant and secure through the use of Proof-of-Work 2.0.


DECENTRALIZATION

Quai allows anyone to participate in network governance by running a node or
miner. With thousands of participants distributed across the globe, there is no
single party with the ability to modify or turn off the network, ensuring zero
network downtime.


SCALABILITY

Quai Network automatically expands with demand to upwards of 50,000 TPS while
keeping fees under $0.01.


CONSENSUS

Transactions in Quai Network can be locally confirmed prior to global
confirmation, offering high throughput with the shortest possible time to
economic finality.


SHARED SECURITY

All blockchains within Quai Network share Proof-of-Work security through merged
mining. Every Quai transaction is eventually confirmed by 100% of network hash
power.


MERGE-MINED PARACHAINS

Parachains inherit security and interoperability by merged mining with Quai
Network, and create new incentives for miners and users.


THE PRIME CHAIN

The Prime blockchain acts as the "knot" tying all Quai Network chains together.
The Prime blockchain braids sub networks together, facilitating the transfer of
data across chains.


SUB NETWORKS

Quai's many high-speed sub networks independently and asynchronously process
transactions. All sub networks are braided together by the Prime chain, ensuring
shared security and interoperability across the network.