Abstract: A watermarking method for smart contract according to an embodiment of the present disclosure comprises compiling a source code of a smart contract to create a contract creation bytecode and a runtime bytecode; generating a control flow graph including a plurality of byte regions based on the runtime bytecode; setting opcode groups by grouping consecutive opcodes in an opcode list in the plurality of byte regions of the generated control flow graph so that a sum of gas costs for the consecutive opcodes is greater than or equal to a preset gas cost value; extracting a watermarkable byte region based on the set opcode groups; determining watermarking bytes, in which a watermark is to be embed in the watermarkable byte region, to embed the watermark and storing location information of the determined watermarking bytes; hashing fingerprint information including information on the watermark and the location information of the watermarking bytes to create a fingerprint; and embedding the created fingerprint in the

Abstract: A system and method for providing a weather effect in an image includes selecting at least one weather texture image indicating weather, and providing a weather effect in the image by overlapping the selected weather texture image on the image.

Abstract: A system and method for providing a weather effect in an image includes selecting at least one weather texture image indicating weather, and providing a weather effect in the image by overlapping the selected weather texture image on the image.

Abstract: This invention relates to an aqueous flame retardant adhesive composition that is environment-friendly, reduces cost through replacement of organic flame retardant, improves layer separation of adhesive according to the addition of inorganic flame retardant, and exhibits excellent adhesive strength, low temperature stability, processability and extraction resistance, and a method for preparing the same.

Abstract: This invention relates to a plasticizer composition that is environment-friendly, exhibits rapid gelling speed, thus improving processability, can give low viscosity of plastisol required for wallpaper and flooring, exhibits low heating loss, has small viscosity change over time, and has excellent migration resistance, and a vinylchloride resin composition comprising the same.

Abstract: This invention relates to an aqueous flame retardant adhesive composition that is environment-friendly, can reduce cost of production through replacement of organic flame retardant, improve layer separation of adhesive according to the addition of inorganic flame retardant, and exhibit excellent adhesive force and low temperature stability, and a method for preparing the same.

Abstract: A system and method for providing a weather effect in an image includes selecting at least one weather texture image indicating weather, and providing a weather effect in the image by overlapping the selected weather texture image on the image.

Abstract: A system and method for providing a weather effect in an image includes selecting at least one weather texture image indicating weather, and providing a weather effect in the image by overlapping the selected weather texture image on the image.

Abstract: A system and method for providing a weather effect in an image includes selecting at least one weather texture image indicating weather, and providing a weather effect in the image by overlapping the selected weather texture image on the image.

Abstract: Disclosed is an electronic component bonding method which interposes a bonding resin between first and second electronic components to bond the first and second electronic components to each other. The electronic component bonding method includes providing the bonding resin between the first and second electronic components, aligning the first and second electronic components with each other, pre-curing the bonding resin to generate elasticity in the bonding resin, performing a main curing operation to apply vibration energy to the bonding resin, which has elasticity according to pre-curing, to securely fix the first and second electronic component to each other, and control the amplitude of the vibration energy applied during the main curing operation to be restricted within an elastic region of the bonding resin.

Abstract: Disclosed is an electronic component bonding method which interposes a bonding resin between first and second electronic components to bond the first and second electronic components to each other. The electronic component bonding method includes providing the bonding resin between the first and second electronic components, aligning the first and second electronic components with each other, pre-curing the bonding resin to generate elasticity in the bonding resin, performing a main curing operation to apply vibration energy to the bonding resin, which has elasticity according to pre-curing, to securely fix the first and second electronic component to each other, and control the amplitude of the vibration energy applied during the main curing operation to be restricted within an elastic region of the bonding resin.