What is a Blockchain Node and Its 4 Types? 

[{"selector":"#anim-b18d8eb6-d268-4c37-9543-451e95a24c7f [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-24.999999999999993%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-8cf97395-893c-4a69-ae1e-66ed14a60199","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-12517ef1-52aa-431f-bcf2-1f480e5ebfc3","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-be1733dc-0519-4071-aa6a-c5b1060865dd","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Nodes are computers or devices which participates in the operation of blockchain. Each node is a part of the network & follows the rules defined by the blockchain protocol.

Types of Nodes

[{"selector":"#anim-340028de-b6c7-4706-831e-1cb01f801858 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0.693978932401734%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-65d95949-152e-44e4-9152-ba3511f5f393","keyframes":{"transform":["translate3d(-99.04762%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9e3d3be0-1e55-4e25-b2f1-2204ee24e826","keyframes":{"opacity":[0,1]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-acb8e29f-ce7a-4b7b-a62e-17e870984269","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-d6dfebce-457e-4d54-a97c-cbfc987fae7b","keyframes":{"transform":["translate3d(-98.09524%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9290b2fe-c2e2-495e-aaa4-4fe5707e7cea","keyframes":{"opacity":[0,1]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-706f3cbc-abca-4194-9fa6-85e5b589f2a8","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Full Nodes: A full node stores the complete history of the blockchain, meaning it has a copy of all transactions ever made on the network.

[{"selector":"#anim-5d18614a-7f1a-4e05-9d0e-f7245298988a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(8.44780221294107%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-4352576d-88f1-49a8-9a14-40f63d8a5b21","keyframes":{"transform":["translate3d(-98.09524%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-09cfe01b-040e-417f-acca-2c0725c612de","keyframes":{"opacity":[0,1]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1b754267-2786-40ae-89cc-a3f9f861a072","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Light Nodes (or Lightweight Nodes): A light node does not store the entire blockchain but only stores the block headers & only need a minimal amount of data.

[{"selector":"#anim-e43c4771-bdc6-4d58-aa7f-59782ae8a878 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-1.63998638492464%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-8528e31a-9aef-486b-b723-7d377c08f7c3","keyframes":{"transform":["translate3d(-100%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-17e42869-f9f1-4900-ae37-98b9d741d279","keyframes":{"opacity":[0,1]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-90d2e800-d563-4f5a-abd4-5b59b482ed67","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Mining Nodes: A mining node is a type of full node that participates in the process of mining blocks in proof-of-work blockchains.

[{"selector":"#anim-6d4d4c7d-6fc4-40d8-bbfc-b26a24b8b340 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-f98bc7ee-206f-48e8-ad6d-f71f3b1a628b","keyframes":{"transform":["translate3d(-98.09524%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b674fd9-cc20-4023-9779-5f00aac5aa4b","keyframes":{"opacity":[0,1]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-48ebb580-2642-49ff-95cc-2c78d290ba59","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":100,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Pruned Full Nodes A Pruned Full Node has a limited amount of memory. It downloads the blockchain & then deletes blocks in chronological order, beginning with the oldest. Learn more