0x offers the core building blocks to create the most powerful Web3 apps. Building in Web3 becomes increasingly difficult as the number of ecosystems, DEX protocols, and tokens grows. DApps built on top of the protocol can access public liquidity pools or create their own liquidity pool and charge transaction fees on the resulting
volume.
0x's professional-grade APIs are built on the 0x Protocol, a set of secure, audited smart contracts. Applications building on these tools are part of the 0x Ecosystem.
Within the 0x Ecosystem, there are two sides - Makers and Takers:
Makers- an entity who creates 0x orders and provides liquidity into the system for the demand side (Takers) to consume.
The taker fills the 0x order by submitting the order and the amount they will fill it for to the blockchain.
A 0x order is a message passed through 0x Protocol to facilitate the trade of an ERC20 token for an ERC20, ERC721, or ERC1155 token.
Point-to-point orders allow two parties to directly exchange tokens with each other using just about any communication medium they prefer to relay messages.
0x consists of
Off-chain- It consists of relayers act as intermediaries between buyers and sellers. It helps to place orders directly which in turn reduces transaction costs.
On-chain- consists of smart contracts executed on the Ethereum blockchain.
A Maker creates a 0x order which indicates what kind of assets the Maker is willing to trade, such as ER20,721, or 1155. The order is hashed and the Maker signs the order cryptographically. 0x swap provides liquidity to surface best prices. The Taker fills the 0x order by submitting the order. The 0x Protocol's settlement logic verifies the Maker's digital signature and that all the conditions of the trade are satisfied.
ZRXUSD surged more than 300% in the past two weeks. It holds above the short-term (21 and 55 EMA) and above the long-term moving average. It hit a high of $1.44 and is currently trading around $1.25.
The bullish invalidation can happen if the pair closes below $0.72. On the lower side, the near-term support is $1. Any break below targets $0.88/$0.72. Any breach below $0.70 targets $0.50/$0.30.
The pair's near-term resistance is around $1.50. Any breach above confirms minor bullishness. A jump to $1.64/$1.77/$2 is possible. A surge past $2.40 will take it to $3.
.
It is good to buy on dips around $1 with SL around $0.70 for TP of $2.40.


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