What is arcblock?

The Future of Blockchain and DApp Development is here. ArcBlock is your new decentralized developer platform that simplifies the development of DApps, DLT and Blockchains . Decentralized apps are for everyone.

What is block (Block)?

BLOCK is the utility token of the Blocknet blockchain and powers the Blocknet Protocol. BLOCK is used to pay fees for the network's services, such as those provided by XBridgeand XRouter.

What is a heart block & how is it treated?

Heart block, also called AV block, is when the electrical signal that controls your heartbeat is partially or completely blocked. This makes your heart beat slowly or skip beats and your heart can’t pump blood effectively. Symptoms include dizziness, fainting, tiredness and shortness of breath. Pacemaker implantation is a common treatment.

What causes a heart block?

Other causes include heart muscle disease, usually called a cardiomyopathy, heart valve diseases and problems with the heart’s structure. Heart block can also be caused by damage to the heart during open heart surgery, as a side effect of some medications or exposure to toxins. Genetics can be another cause. What are the symptoms of heart block?